21080310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 33939210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1178, 1193, 1767, 2386, 2945, 3534, 3579, 5890, 5965, 7158, 8835, 11930, 17670, 17895, 22667, 35790, 36983, 45334, 68001, 73966, 110949, 113335, 136002, 184915, 221898, 226670, 340005, 369830, 554745, 680010, 702677, 1109490, 1405354, 2108031, 3513385, 4216062, 7026770, 10540155, 21080310]

約数ペア:

[(1, 21080310), (2, 10540155), (3, 7026770), (5, 4216062), (6, 3513385), (10, 2108031), (15, 1405354), (19, 1109490), (30, 702677), (31, 680010), (38, 554745), (57, 369830), (62, 340005), (93, 226670), (95, 221898), (114, 184915), (155, 136002), (186, 113335), (190, 110949), (285, 73966), (310, 68001), (465, 45334), (570, 36983), (589, 35790), (930, 22667), (1178, 17895), (1193, 17670), (1767, 11930), (2386, 8835), (2945, 7158), (3534, 5965), (3579, 5890)]