21972312

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 62599680

約数和(自身を除く): 40627368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 47, 72, 86, 94, 129, 141, 151, 172, 188, 258, 282, 302, 344, 376, 387, 423, 453, 516, 564, 604, 774, 846, 906, 1032, 1128, 1208, 1359, 1548, 1692, 1812, 2021, 2718, 3096, 3384, 3624, 4042, 5436, 6063, 6493, 7097, 8084, 10872, 12126, 12986, 14194, 16168, 18189, 19479, 21291, 24252, 25972, 28388, 36378, 38958, 42582, 48504, 51944, 56776, 58437, 63873, 72756, 77916, 85164, 116874, 127746, 145512, 155832, 170328, 233748, 255492, 305171, 467496, 510984, 610342, 915513, 1220684, 1831026, 2441368, 2746539, 3662052, 5493078, 7324104, 10986156, 21972312]

約数ペア:

[(1, 21972312), (2, 10986156), (3, 7324104), (4, 5493078), (6, 3662052), (8, 2746539), (9, 2441368), (12, 1831026), (18, 1220684), (24, 915513), (36, 610342), (43, 510984), (47, 467496), (72, 305171), (86, 255492), (94, 233748), (129, 170328), (141, 155832), (151, 145512), (172, 127746), (188, 116874), (258, 85164), (282, 77916), (302, 72756), (344, 63873), (376, 58437), (387, 56776), (423, 51944), (453, 48504), (516, 42582), (564, 38958), (604, 36378), (774, 28388), (846, 25972), (906, 24252), (1032, 21291), (1128, 19479), (1208, 18189), (1359, 16168), (1548, 14194), (1692, 12986), (1812, 12126), (2021, 10872), (2718, 8084), (3096, 7097), (3384, 6493), (3624, 6063), (4042, 5436)]