21470730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 57193344

約数和(自身を除く): 35722614

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 37, 46, 58, 69, 74, 87, 111, 115, 138, 145, 174, 185, 222, 230, 290, 345, 370, 435, 555, 667, 690, 841, 851, 870, 1073, 1110, 1334, 1682, 1702, 2001, 2146, 2523, 2553, 3219, 3335, 4002, 4205, 4255, 5046, 5106, 5365, 6438, 6670, 8410, 8510, 10005, 10730, 12615, 12765, 16095, 19343, 20010, 24679, 25230, 25530, 31117, 32190, 38686, 49358, 58029, 62234, 74037, 93351, 96715, 116058, 123395, 148074, 155585, 186702, 193430, 246790, 290145, 311170, 370185, 466755, 580290, 715691, 740370, 933510, 1431382, 2147073, 3578455, 4294146, 7156910, 10735365, 21470730]

約数ペア:

[(1, 21470730), (2, 10735365), (3, 7156910), (5, 4294146), (6, 3578455), (10, 2147073), (15, 1431382), (23, 933510), (29, 740370), (30, 715691), (37, 580290), (46, 466755), (58, 370185), (69, 311170), (74, 290145), (87, 246790), (111, 193430), (115, 186702), (138, 155585), (145, 148074), (174, 123395), (185, 116058), (222, 96715), (230, 93351), (290, 74037), (345, 62234), (370, 58029), (435, 49358), (555, 38686), (667, 32190), (690, 31117), (841, 25530), (851, 25230), (870, 24679), (1073, 20010), (1110, 19343), (1334, 16095), (1682, 12765), (1702, 12615), (2001, 10730), (2146, 10005), (2523, 8510), (2553, 8410), (3219, 6670), (3335, 6438), (4002, 5365), (4205, 5106), (4255, 5046)]