21321330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 52296192

約数和(自身を除く): 30974862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 191, 305, 366, 382, 573, 610, 915, 955, 1146, 1830, 1910, 2865, 3721, 5730, 7442, 11163, 11651, 18605, 22326, 23302, 34953, 37210, 55815, 58255, 69906, 111630, 116510, 174765, 349530, 710711, 1421422, 2132133, 3553555, 4264266, 7107110, 10660665, 21321330]

約数ペア:

[(1, 21321330), (2, 10660665), (3, 7107110), (5, 4264266), (6, 3553555), (10, 2132133), (15, 1421422), (30, 710711), (61, 349530), (122, 174765), (183, 116510), (191, 111630), (305, 69906), (366, 58255), (382, 55815), (573, 37210), (610, 34953), (915, 23302), (955, 22326), (1146, 18605), (1830, 11651), (1910, 11163), (2865, 7442), (3721, 5730)]