21444312

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 39842088

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 37, 38, 41, 57, 62, 74, 76, 82, 93, 111, 114, 123, 124, 148, 152, 164, 186, 222, 228, 246, 248, 296, 328, 372, 444, 456, 492, 589, 703, 744, 779, 888, 984, 1147, 1178, 1271, 1406, 1517, 1558, 1767, 2109, 2294, 2337, 2356, 2542, 2812, 3034, 3116, 3441, 3534, 3813, 4218, 4551, 4588, 4674, 4712, 5084, 5624, 6068, 6232, 6882, 7068, 7626, 8436, 9102, 9176, 9348, 10168, 12136, 13764, 14136, 15252, 16872, 18204, 18696, 21793, 24149, 27528, 28823, 30504, 36408, 43586, 47027, 48298, 57646, 65379, 72447, 86469, 87172, 94054, 96596, 115292, 130758, 141081, 144894, 172938, 174344, 188108, 193192, 230584, 261516, 282162, 289788, 345876, 376216, 523032, 564324, 579576, 691752, 893513, 1128648, 1787026, 2680539, 3574052, 5361078, 7148104, 10722156, 21444312]

約数ペア:

[(1, 21444312), (2, 10722156), (3, 7148104), (4, 5361078), (6, 3574052), (8, 2680539), (12, 1787026), (19, 1128648), (24, 893513), (31, 691752), (37, 579576), (38, 564324), (41, 523032), (57, 376216), (62, 345876), (74, 289788), (76, 282162), (82, 261516), (93, 230584), (111, 193192), (114, 188108), (123, 174344), (124, 172938), (148, 144894), (152, 141081), (164, 130758), (186, 115292), (222, 96596), (228, 94054), (246, 87172), (248, 86469), (296, 72447), (328, 65379), (372, 57646), (444, 48298), (456, 47027), (492, 43586), (589, 36408), (703, 30504), (744, 28823), (779, 27528), (888, 24149), (984, 21793), (1147, 18696), (1178, 18204), (1271, 16872), (1406, 15252), (1517, 14136), (1558, 13764), (1767, 12136), (2109, 10168), (2294, 9348), (2337, 9176), (2356, 9102), (2542, 8436), (2812, 7626), (3034, 7068), (3116, 6882), (3441, 6232), (3534, 6068), (3813, 5624), (4218, 5084), (4551, 4712), (4588, 4674)]