21489456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23563}}^1$

素因数の和:23593

約数の個数: 40

約数和(自身を含む): 58438720

約数和(自身を除く): 36949264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23563, 47126, 70689, 94252, 141378, 188504, 282756, 377008, 447697, 565512, 895394, 1131024, 1343091, 1790788, 2686182, 3581576, 5372364, 7163152, 10744728, 21489456]

約数ペア:

[(1, 21489456), (2, 10744728), (3, 7163152), (4, 5372364), (6, 3581576), (8, 2686182), (12, 1790788), (16, 1343091), (19, 1131024), (24, 895394), (38, 565512), (48, 447697), (57, 377008), (76, 282756), (114, 188504), (152, 141378), (228, 94252), (304, 70689), (456, 47126), (912, 23563)]