21509850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 53692992

約数和(自身を除く): 32183142

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 193, 386, 579, 743, 965, 1158, 1486, 1930, 2229, 2895, 3715, 4458, 4825, 5790, 7430, 9650, 11145, 14475, 18575, 22290, 28950, 37150, 55725, 111450, 143399, 286798, 430197, 716995, 860394, 1433990, 2150985, 3584975, 4301970, 7169950, 10754925, 21509850]

約数ペア:

[(1, 21509850), (2, 10754925), (3, 7169950), (5, 4301970), (6, 3584975), (10, 2150985), (15, 1433990), (25, 860394), (30, 716995), (50, 430197), (75, 286798), (150, 143399), (193, 111450), (386, 55725), (579, 37150), (743, 28950), (965, 22290), (1158, 18575), (1486, 14475), (1930, 11145), (2229, 9650), (2895, 7430), (3715, 5790), (4458, 4825)]