21507930

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 37931814

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 167, 243, 265, 270, 318, 334, 405, 477, 486, 501, 530, 795, 810, 835, 954, 1002, 1215, 1431, 1503, 1590, 1670, 2385, 2430, 2505, 2862, 3006, 4293, 4509, 4770, 5010, 7155, 7515, 8586, 8851, 9018, 12879, 13527, 14310, 15030, 17702, 21465, 22545, 25758, 26553, 27054, 40581, 42930, 44255, 45090, 53106, 64395, 67635, 79659, 81162, 88510, 128790, 132765, 135270, 159318, 202905, 238977, 265530, 398295, 405810, 477954, 716931, 796590, 1194885, 1433862, 2150793, 2389770, 3584655, 4301586, 7169310, 10753965, 21507930]

約数ペア:

[(1, 21507930), (2, 10753965), (3, 7169310), (5, 4301586), (6, 3584655), (9, 2389770), (10, 2150793), (15, 1433862), (18, 1194885), (27, 796590), (30, 716931), (45, 477954), (53, 405810), (54, 398295), (81, 265530), (90, 238977), (106, 202905), (135, 159318), (159, 135270), (162, 132765), (167, 128790), (243, 88510), (265, 81162), (270, 79659), (318, 67635), (334, 64395), (405, 53106), (477, 45090), (486, 44255), (501, 42930), (530, 40581), (795, 27054), (810, 26553), (835, 25758), (954, 22545), (1002, 21465), (1215, 17702), (1431, 15030), (1503, 14310), (1590, 13527), (1670, 12879), (2385, 9018), (2430, 8851), (2505, 8586), (2862, 7515), (3006, 7155), (4293, 5010), (4509, 4770)]