21492990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12569}}^1$

素因数の和:12601

約数の個数: 48

約数和(自身を含む): 58827600

約数和(自身を除く): 37334610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12569, 25138, 37707, 62845, 75414, 113121, 125690, 188535, 226242, 238811, 377070, 477622, 565605, 716433, 1131210, 1194055, 1432866, 2149299, 2388110, 3582165, 4298598, 7164330, 10746495, 21492990]

約数ペア:

[(1, 21492990), (2, 10746495), (3, 7164330), (5, 4298598), (6, 3582165), (9, 2388110), (10, 2149299), (15, 1432866), (18, 1194055), (19, 1131210), (30, 716433), (38, 565605), (45, 477622), (57, 377070), (90, 238811), (95, 226242), (114, 188535), (171, 125690), (190, 113121), (285, 75414), (342, 62845), (570, 37707), (855, 25138), (1710, 12569)]