21492030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 60092928

約数和(自身を除く): 38600898

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 1931, 2226, 3710, 3862, 5565, 5793, 9655, 11130, 11586, 13517, 19310, 27034, 28965, 40551, 57930, 67585, 81102, 102343, 135170, 202755, 204686, 307029, 405510, 511715, 614058, 716401, 1023430, 1432802, 1535145, 2149203, 3070290, 3582005, 4298406, 7164010, 10746015, 21492030]

約数ペア:

[(1, 21492030), (2, 10746015), (3, 7164010), (5, 4298406), (6, 3582005), (7, 3070290), (10, 2149203), (14, 1535145), (15, 1432802), (21, 1023430), (30, 716401), (35, 614058), (42, 511715), (53, 405510), (70, 307029), (105, 204686), (106, 202755), (159, 135170), (210, 102343), (265, 81102), (318, 67585), (371, 57930), (530, 40551), (742, 28965), (795, 27034), (1113, 19310), (1590, 13517), (1855, 11586), (1931, 11130), (2226, 9655), (3710, 5793), (3862, 5565)]