21470150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 47809440

約数和(自身を除く): 26339290

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 29, 34, 50, 58, 65, 67, 85, 130, 134, 145, 170, 221, 290, 325, 335, 377, 425, 442, 493, 650, 670, 725, 754, 850, 871, 986, 1105, 1139, 1450, 1675, 1742, 1885, 1943, 2210, 2278, 2465, 3350, 3770, 3886, 4355, 4930, 5525, 5695, 6409, 8710, 9425, 9715, 11050, 11390, 12325, 12818, 14807, 18850, 19430, 21775, 24650, 25259, 28475, 29614, 32045, 33031, 43550, 48575, 50518, 56950, 64090, 66062, 74035, 97150, 126295, 148070, 160225, 165155, 252590, 320450, 330310, 370175, 429403, 631475, 740350, 825775, 858806, 1262950, 1651550, 2147015, 4294030, 10735075, 21470150]

約数ペア:

[(1, 21470150), (2, 10735075), (5, 4294030), (10, 2147015), (13, 1651550), (17, 1262950), (25, 858806), (26, 825775), (29, 740350), (34, 631475), (50, 429403), (58, 370175), (65, 330310), (67, 320450), (85, 252590), (130, 165155), (134, 160225), (145, 148070), (170, 126295), (221, 97150), (290, 74035), (325, 66062), (335, 64090), (377, 56950), (425, 50518), (442, 48575), (493, 43550), (650, 33031), (670, 32045), (725, 29614), (754, 28475), (850, 25259), (871, 24650), (986, 21775), (1105, 19430), (1139, 18850), (1450, 14807), (1675, 12818), (1742, 12325), (1885, 11390), (1943, 11050), (2210, 9715), (2278, 9425), (2465, 8710), (3350, 6409), (3770, 5695), (3886, 5525), (4355, 4930)]