21146820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3119}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 38607420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 3119, 3390, 6238, 6780, 9357, 12476, 15595, 18714, 31190, 37428, 46785, 62380, 93570, 187140, 352447, 704894, 1057341, 1409788, 1762235, 2114682, 3524470, 4229364, 5286705, 7048940, 10573410, 21146820]

約数ペア:

[(1, 21146820), (2, 10573410), (3, 7048940), (4, 5286705), (5, 4229364), (6, 3524470), (10, 2114682), (12, 1762235), (15, 1409788), (20, 1057341), (30, 704894), (60, 352447), (113, 187140), (226, 93570), (339, 62380), (452, 46785), (565, 37428), (678, 31190), (1130, 18714), (1356, 15595), (1695, 12476), (2260, 9357), (3119, 6780), (3390, 6238)]