21323988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2341

約数の個数: 72

約数和(自身を含む): 63295232

約数和(自身を除く): 41971244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2287, 2331, 3108, 4574, 4662, 6861, 9148, 9324, 13722, 16009, 20583, 27444, 32018, 41166, 48027, 64036, 82332, 84619, 96054, 144081, 169238, 192108, 253857, 288162, 338476, 507714, 576324, 592333, 761571, 1015428, 1184666, 1523142, 1776999, 2369332, 3046284, 3553998, 5330997, 7107996, 10661994, 21323988]

約数ペア:

[(1, 21323988), (2, 10661994), (3, 7107996), (4, 5330997), (6, 3553998), (7, 3046284), (9, 2369332), (12, 1776999), (14, 1523142), (18, 1184666), (21, 1015428), (28, 761571), (36, 592333), (37, 576324), (42, 507714), (63, 338476), (74, 288162), (84, 253857), (111, 192108), (126, 169238), (148, 144081), (222, 96054), (252, 84619), (259, 82332), (333, 64036), (444, 48027), (518, 41166), (666, 32018), (777, 27444), (1036, 20583), (1332, 16009), (1554, 13722), (2287, 9324), (2331, 9148), (3108, 6861), (4574, 4662)]