21125370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{2053}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 59155200

約数和(自身を除く): 38029830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2053, 2058, 3430, 4106, 5145, 6159, 10265, 10290, 12318, 14371, 20530, 28742, 30795, 43113, 61590, 71855, 86226, 100597, 143710, 201194, 215565, 301791, 431130, 502985, 603582, 704179, 1005970, 1408358, 1508955, 2112537, 3017910, 3520895, 4225074, 7041790, 10562685, 21125370]

約数ペア:

[(1, 21125370), (2, 10562685), (3, 7041790), (5, 4225074), (6, 3520895), (7, 3017910), (10, 2112537), (14, 1508955), (15, 1408358), (21, 1005970), (30, 704179), (35, 603582), (42, 502985), (49, 431130), (70, 301791), (98, 215565), (105, 201194), (147, 143710), (210, 100597), (245, 86226), (294, 71855), (343, 61590), (490, 43113), (686, 30795), (735, 28742), (1029, 20530), (1470, 14371), (1715, 12318), (2053, 10290), (2058, 10265), (3430, 6159), (4106, 5145)]