21932810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19193590

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 509, 695, 1018, 1390, 2545, 4309, 5090, 8618, 15779, 21545, 31558, 43090, 70751, 78895, 141502, 157790, 353755, 707510, 2193281, 4386562, 10966405, 21932810]

約数ペア:

[(1, 21932810), (2, 10966405), (5, 4386562), (10, 2193281), (31, 707510), (62, 353755), (139, 157790), (155, 141502), (278, 78895), (310, 70751), (509, 43090), (695, 31558), (1018, 21545), (1390, 15779), (2545, 8618), (4309, 5090)]