21349740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 62818560

約数和(自身を除く): 41468820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 59, 60, 74, 111, 118, 148, 163, 177, 185, 222, 236, 295, 326, 354, 370, 444, 489, 555, 590, 652, 708, 740, 815, 885, 978, 1110, 1180, 1630, 1770, 1956, 2183, 2220, 2445, 3260, 3540, 4366, 4890, 6031, 6549, 8732, 9617, 9780, 10915, 12062, 13098, 18093, 19234, 21830, 24124, 26196, 28851, 30155, 32745, 36186, 38468, 43660, 48085, 57702, 60310, 65490, 72372, 90465, 96170, 115404, 120620, 130980, 144255, 180930, 192340, 288510, 355829, 361860, 577020, 711658, 1067487, 1423316, 1779145, 2134974, 3558290, 4269948, 5337435, 7116580, 10674870, 21349740]

約数ペア:

[(1, 21349740), (2, 10674870), (3, 7116580), (4, 5337435), (5, 4269948), (6, 3558290), (10, 2134974), (12, 1779145), (15, 1423316), (20, 1067487), (30, 711658), (37, 577020), (59, 361860), (60, 355829), (74, 288510), (111, 192340), (118, 180930), (148, 144255), (163, 130980), (177, 120620), (185, 115404), (222, 96170), (236, 90465), (295, 72372), (326, 65490), (354, 60310), (370, 57702), (444, 48085), (489, 43660), (555, 38468), (590, 36186), (652, 32745), (708, 30155), (740, 28851), (815, 26196), (885, 24124), (978, 21830), (1110, 19234), (1180, 18093), (1630, 13098), (1770, 12062), (1956, 10915), (2183, 9780), (2220, 9617), (2445, 8732), (3260, 6549), (3540, 6031), (4366, 4890)]