21479590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6299}}^1$

素因数の和:6348

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22066010

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6299, 12598, 31495, 62990, 69289, 138578, 195269, 346445, 390538, 692890, 976345, 1952690, 2147959, 4295918, 10739795, 21479590]

約数ペア:

[(1, 21479590), (2, 10739795), (5, 4295918), (10, 2147959), (11, 1952690), (22, 976345), (31, 692890), (55, 390538), (62, 346445), (110, 195269), (155, 138578), (310, 69289), (341, 62990), (682, 31495), (1705, 12598), (3410, 6299)]