21151560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9277}}^1$

素因数の和:9310

約数の個数: 64

約数和(自身を含む): 66801600

約数和(自身を除く): 45650040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9277, 18554, 27831, 37108, 46385, 55662, 74216, 92770, 111324, 139155, 176263, 185540, 222648, 278310, 352526, 371080, 528789, 556620, 705052, 881315, 1057578, 1113240, 1410104, 1762630, 2115156, 2643945, 3525260, 4230312, 5287890, 7050520, 10575780, 21151560]

約数ペア:

[(1, 21151560), (2, 10575780), (3, 7050520), (4, 5287890), (5, 4230312), (6, 3525260), (8, 2643945), (10, 2115156), (12, 1762630), (15, 1410104), (19, 1113240), (20, 1057578), (24, 881315), (30, 705052), (38, 556620), (40, 528789), (57, 371080), (60, 352526), (76, 278310), (95, 222648), (114, 185540), (120, 176263), (152, 139155), (190, 111324), (228, 92770), (285, 74216), (380, 55662), (456, 46385), (570, 37108), (760, 27831), (1140, 18554), (2280, 9277)]