21635680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 37150880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 647, 760, 836, 880, 1045, 1294, 1520, 1672, 1760, 2090, 2588, 3040, 3235, 3344, 4180, 5176, 6470, 6688, 7117, 8360, 10352, 12293, 12940, 14234, 16720, 20704, 24586, 25880, 28468, 33440, 35585, 49172, 51760, 56936, 61465, 71170, 98344, 103520, 113872, 122930, 135223, 142340, 196688, 227744, 245860, 270446, 284680, 393376, 491720, 540892, 569360, 676115, 983440, 1081784, 1138720, 1352230, 1966880, 2163568, 2704460, 4327136, 5408920, 10817840, 21635680]

約数ペア:

[(1, 21635680), (2, 10817840), (4, 5408920), (5, 4327136), (8, 2704460), (10, 2163568), (11, 1966880), (16, 1352230), (19, 1138720), (20, 1081784), (22, 983440), (32, 676115), (38, 569360), (40, 540892), (44, 491720), (55, 393376), (76, 284680), (80, 270446), (88, 245860), (95, 227744), (110, 196688), (152, 142340), (160, 135223), (176, 122930), (190, 113872), (209, 103520), (220, 98344), (304, 71170), (352, 61465), (380, 56936), (418, 51760), (440, 49172), (608, 35585), (647, 33440), (760, 28468), (836, 25880), (880, 24586), (1045, 20704), (1294, 16720), (1520, 14234), (1672, 12940), (1760, 12293), (2090, 10352), (2588, 8360), (3040, 7117), (3235, 6688), (3344, 6470), (4180, 5176)]