21301476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 61248096

約数和(自身を除く): 39946620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2131, 2499, 3332, 4262, 4998, 6393, 8524, 9996, 12786, 14917, 25572, 29834, 36227, 44751, 59668, 72454, 89502, 104419, 108681, 144908, 179004, 208838, 217362, 253589, 313257, 417676, 434724, 507178, 626514, 760767, 1014356, 1253028, 1521534, 1775123, 3043068, 3550246, 5325369, 7100492, 10650738, 21301476]

約数ペア:

[(1, 21301476), (2, 10650738), (3, 7100492), (4, 5325369), (6, 3550246), (7, 3043068), (12, 1775123), (14, 1521534), (17, 1253028), (21, 1014356), (28, 760767), (34, 626514), (42, 507178), (49, 434724), (51, 417676), (68, 313257), (84, 253589), (98, 217362), (102, 208838), (119, 179004), (147, 144908), (196, 108681), (204, 104419), (238, 89502), (294, 72454), (357, 59668), (476, 44751), (588, 36227), (714, 29834), (833, 25572), (1428, 14917), (1666, 12786), (2131, 9996), (2499, 8524), (3332, 6393), (4262, 4998)]