21163654864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2685

約数の個数: 160

約数和(自身を含む): 48598889472

約数和(自身を除く): 27435234608

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 41, 44, 62, 74, 82, 88, 124, 148, 164, 176, 248, 296, 328, 341, 407, 451, 496, 592, 656, 682, 814, 902, 1147, 1271, 1364, 1517, 1628, 1804, 2294, 2542, 2557, 2728, 3034, 3256, 3608, 4588, 5084, 5114, 5456, 6068, 6512, 7216, 9176, 10168, 10228, 12136, 12617, 13981, 16687, 18352, 20336, 20456, 24272, 25234, 27962, 28127, 33374, 40912, 47027, 50468, 55924, 56254, 66748, 79267, 94054, 94609, 100936, 104837, 111848, 112508, 133496, 158534, 188108, 189218, 201872, 209674, 223696, 225016, 266992, 317068, 376216, 378436, 419348, 450032, 517297, 634136, 752432, 756872, 838696, 871937, 1034594, 1040699, 1153207, 1268272, 1513744, 1677392, 1743874, 2069188, 2081398, 2306414, 2932879, 3249947, 3487748, 3878969, 4138376, 4162796, 4612828, 5865758, 6499894, 6975496, 7757938, 8276752, 8325592, 9225656, 11731516, 12999788, 13950992, 15515876, 16651184, 18451312, 23463032, 25999576, 31031752, 32261669, 35749417, 42668659, 46926064, 51999152, 62063504, 64523338, 71498834, 85337318, 120248039, 129046676, 142997668, 170674636, 240496078, 258093352, 285995336, 341349272, 480992156, 516186704, 571990672, 682698544, 961984312, 1322728429, 1923968624, 2645456858, 5290913716, 10581827432, 21163654864]

約数ペア:

[(1, 21163654864), (2, 10581827432), (4, 5290913716), (8, 2645456858), (11, 1923968624), (16, 1322728429), (22, 961984312), (31, 682698544), (37, 571990672), (41, 516186704), (44, 480992156), (62, 341349272), (74, 285995336), (82, 258093352), (88, 240496078), (124, 170674636), (148, 142997668), (164, 129046676), (176, 120248039), (248, 85337318), (296, 71498834), (328, 64523338), (341, 62063504), (407, 51999152), (451, 46926064), (496, 42668659), (592, 35749417), (656, 32261669), (682, 31031752), (814, 25999576), (902, 23463032), (1147, 18451312), (1271, 16651184), (1364, 15515876), (1517, 13950992), (1628, 12999788), (1804, 11731516), (2294, 9225656), (2542, 8325592), (2557, 8276752), (2728, 7757938), (3034, 6975496), (3256, 6499894), (3608, 5865758), (4588, 4612828), (5084, 4162796), (5114, 4138376), (5456, 3878969), (6068, 3487748), (6512, 3249947), (7216, 2932879), (9176, 2306414), (10168, 2081398), (10228, 2069188), (12136, 1743874), (12617, 1677392), (13981, 1513744), (16687, 1268272), (18352, 1153207), (20336, 1040699), (20456, 1034594), (24272, 871937), (25234, 838696), (27962, 756872), (28127, 752432), (33374, 634136), (40912, 517297), (47027, 450032), (50468, 419348), (55924, 378436), (56254, 376216), (66748, 317068), (79267, 266992), (94054, 225016), (94609, 223696), (100936, 209674), (104837, 201872), (111848, 189218), (112508, 188108), (133496, 158534)]