21451590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8219}}^1$

素因数の和:8261

約数の個数: 48

約数和(自身を含む): 57704400

約数和(自身を除く): 36252810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8219, 16438, 24657, 41095, 49314, 73971, 82190, 123285, 147942, 238351, 246570, 369855, 476702, 715053, 739710, 1191755, 1430106, 2145159, 2383510, 3575265, 4290318, 7150530, 10725795, 21451590]

約数ペア:

[(1, 21451590), (2, 10725795), (3, 7150530), (5, 4290318), (6, 3575265), (9, 2383510), (10, 2145159), (15, 1430106), (18, 1191755), (29, 739710), (30, 715053), (45, 476702), (58, 369855), (87, 246570), (90, 238351), (145, 147942), (174, 123285), (261, 82190), (290, 73971), (435, 49314), (522, 41095), (870, 24657), (1305, 16438), (2610, 8219)]