21150430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{647}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 43670016

約数和(自身を除く): 22519586

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 467, 647, 934, 1294, 2335, 3235, 3269, 4529, 4670, 6470, 6538, 9058, 16345, 22645, 32690, 45290, 302149, 604298, 1510745, 2115043, 3021490, 4230086, 10575215, 21150430]

約数ペア:

[(1, 21150430), (2, 10575215), (5, 4230086), (7, 3021490), (10, 2115043), (14, 1510745), (35, 604298), (70, 302149), (467, 45290), (647, 32690), (934, 22645), (1294, 16345), (2335, 9058), (3235, 6538), (3269, 6470), (4529, 4670)]