21323430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 57429216

約数和(自身を除く): 36105786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 71, 90, 94, 141, 142, 213, 235, 282, 355, 423, 426, 470, 639, 705, 710, 846, 1065, 1278, 1410, 2115, 2130, 3195, 3337, 4230, 5041, 6390, 6674, 10011, 10082, 15123, 16685, 20022, 25205, 30033, 30246, 33370, 45369, 50055, 50410, 60066, 75615, 90738, 100110, 150165, 151230, 226845, 236927, 300330, 453690, 473854, 710781, 1184635, 1421562, 2132343, 2369270, 3553905, 4264686, 7107810, 10661715, 21323430]

約数ペア:

[(1, 21323430), (2, 10661715), (3, 7107810), (5, 4264686), (6, 3553905), (9, 2369270), (10, 2132343), (15, 1421562), (18, 1184635), (30, 710781), (45, 473854), (47, 453690), (71, 300330), (90, 236927), (94, 226845), (141, 151230), (142, 150165), (213, 100110), (235, 90738), (282, 75615), (355, 60066), (423, 50410), (426, 50055), (470, 45369), (639, 33370), (705, 30246), (710, 30033), (846, 25205), (1065, 20022), (1278, 16685), (1410, 15123), (2115, 10082), (2130, 10011), (3195, 6674), (3337, 6390), (4230, 5041)]