21754044

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 42822468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 43, 46, 47, 52, 69, 78, 86, 92, 94, 117, 129, 138, 141, 156, 172, 188, 207, 234, 258, 276, 282, 299, 387, 414, 423, 468, 516, 559, 564, 598, 611, 774, 828, 846, 897, 989, 1081, 1118, 1196, 1222, 1548, 1677, 1692, 1794, 1833, 1978, 2021, 2162, 2236, 2444, 2691, 2967, 3243, 3354, 3588, 3666, 3956, 4042, 4324, 5031, 5382, 5499, 5934, 6063, 6486, 6708, 7332, 8084, 8901, 9729, 10062, 10764, 10998, 11868, 12126, 12857, 12972, 14053, 17802, 18189, 19458, 20124, 21996, 24252, 25714, 26273, 28106, 35604, 36378, 38571, 38916, 42159, 46483, 51428, 52546, 56212, 72756, 77142, 78819, 84318, 92966, 105092, 115713, 126477, 139449, 154284, 157638, 168636, 185932, 231426, 236457, 252954, 278898, 315276, 418347, 462852, 472914, 505908, 557796, 604279, 836694, 945828, 1208558, 1673388, 1812837, 2417116, 3625674, 5438511, 7251348, 10877022, 21754044]

約数ペア:

[(1, 21754044), (2, 10877022), (3, 7251348), (4, 5438511), (6, 3625674), (9, 2417116), (12, 1812837), (13, 1673388), (18, 1208558), (23, 945828), (26, 836694), (36, 604279), (39, 557796), (43, 505908), (46, 472914), (47, 462852), (52, 418347), (69, 315276), (78, 278898), (86, 252954), (92, 236457), (94, 231426), (117, 185932), (129, 168636), (138, 157638), (141, 154284), (156, 139449), (172, 126477), (188, 115713), (207, 105092), (234, 92966), (258, 84318), (276, 78819), (282, 77142), (299, 72756), (387, 56212), (414, 52546), (423, 51428), (468, 46483), (516, 42159), (559, 38916), (564, 38571), (598, 36378), (611, 35604), (774, 28106), (828, 26273), (846, 25714), (897, 24252), (989, 21996), (1081, 20124), (1118, 19458), (1196, 18189), (1222, 17802), (1548, 14053), (1677, 12972), (1692, 12857), (1794, 12126), (1833, 11868), (1978, 10998), (2021, 10764), (2162, 10062), (2236, 9729), (2444, 8901), (2691, 8084), (2967, 7332), (3243, 6708), (3354, 6486), (3588, 6063), (3666, 5934), (3956, 5499), (4042, 5382), (4324, 5031)]