21753030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 60034464

約数和(自身を除く): 38281434

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 193, 195, 221, 255, 289, 386, 390, 442, 510, 578, 579, 663, 867, 965, 1105, 1158, 1326, 1445, 1734, 1930, 2210, 2509, 2890, 2895, 3281, 3315, 3757, 4335, 5018, 5790, 6562, 6630, 7514, 7527, 8670, 9843, 11271, 12545, 15054, 16405, 18785, 19686, 22542, 25090, 32810, 37570, 37635, 42653, 49215, 55777, 56355, 75270, 85306, 98430, 111554, 112710, 127959, 167331, 213265, 255918, 278885, 334662, 426530, 557770, 639795, 725101, 836655, 1279590, 1450202, 1673310, 2175303, 3625505, 4350606, 7251010, 10876515, 21753030]

約数ペア:

[(1, 21753030), (2, 10876515), (3, 7251010), (5, 4350606), (6, 3625505), (10, 2175303), (13, 1673310), (15, 1450202), (17, 1279590), (26, 836655), (30, 725101), (34, 639795), (39, 557770), (51, 426530), (65, 334662), (78, 278885), (85, 255918), (102, 213265), (130, 167331), (170, 127959), (193, 112710), (195, 111554), (221, 98430), (255, 85306), (289, 75270), (386, 56355), (390, 55777), (442, 49215), (510, 42653), (578, 37635), (579, 37570), (663, 32810), (867, 25090), (965, 22542), (1105, 19686), (1158, 18785), (1326, 16405), (1445, 15054), (1734, 12545), (1930, 11271), (2210, 9843), (2509, 8670), (2890, 7527), (2895, 7514), (3281, 6630), (3315, 6562), (3757, 5790), (4335, 5018)]