21752016

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3204

約数の個数: 80

約数和(自身を含む): 66037440

約数和(自身を除く): 44285424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3169, 3432, 6338, 6864, 9507, 12676, 19014, 25352, 34859, 38028, 41197, 50704, 69718, 76056, 82394, 104577, 123591, 139436, 152112, 164788, 209154, 247182, 278872, 329576, 418308, 453167, 494364, 557744, 659152, 836616, 906334, 988728, 1359501, 1673232, 1812668, 1977456, 2719002, 3625336, 5438004, 7250672, 10876008, 21752016]

約数ペア:

[(1, 21752016), (2, 10876008), (3, 7250672), (4, 5438004), (6, 3625336), (8, 2719002), (11, 1977456), (12, 1812668), (13, 1673232), (16, 1359501), (22, 988728), (24, 906334), (26, 836616), (33, 659152), (39, 557744), (44, 494364), (48, 453167), (52, 418308), (66, 329576), (78, 278872), (88, 247182), (104, 209154), (132, 164788), (143, 152112), (156, 139436), (176, 123591), (208, 104577), (264, 82394), (286, 76056), (312, 69718), (429, 50704), (528, 41197), (572, 38028), (624, 34859), (858, 25352), (1144, 19014), (1716, 12676), (2288, 9507), (3169, 6864), (3432, 6338)]