21973730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 41430528

約数和(自身を除く): 19456798

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 971, 1942, 2263, 4526, 4855, 9710, 11315, 22630, 30101, 60202, 70883, 141766, 150505, 301010, 354415, 708830, 2197373, 4394746, 10986865, 21973730]

約数ペア:

[(1, 21973730), (2, 10986865), (5, 4394746), (10, 2197373), (31, 708830), (62, 354415), (73, 301010), (146, 150505), (155, 141766), (310, 70883), (365, 60202), (730, 30101), (971, 22630), (1942, 11315), (2263, 9710), (4526, 4855)]