21228960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1006

約数の個数: 96

約数和(自身を含む): 68366592

約数和(自身を除く): 47137632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 940, 941, 1128, 1410, 1504, 1880, 1882, 2256, 2820, 2823, 3760, 3764, 4512, 4705, 5640, 5646, 7520, 7528, 9410, 11280, 11292, 14115, 15056, 18820, 22560, 22584, 28230, 30112, 37640, 44227, 45168, 56460, 75280, 88454, 90336, 112920, 132681, 150560, 176908, 221135, 225840, 265362, 353816, 442270, 451680, 530724, 663405, 707632, 884540, 1061448, 1326810, 1415264, 1769080, 2122896, 2653620, 3538160, 4245792, 5307240, 7076320, 10614480, 21228960]

約数ペア:

[(1, 21228960), (2, 10614480), (3, 7076320), (4, 5307240), (5, 4245792), (6, 3538160), (8, 2653620), (10, 2122896), (12, 1769080), (15, 1415264), (16, 1326810), (20, 1061448), (24, 884540), (30, 707632), (32, 663405), (40, 530724), (47, 451680), (48, 442270), (60, 353816), (80, 265362), (94, 225840), (96, 221135), (120, 176908), (141, 150560), (160, 132681), (188, 112920), (235, 90336), (240, 88454), (282, 75280), (376, 56460), (470, 45168), (480, 44227), (564, 37640), (705, 30112), (752, 28230), (940, 22584), (941, 22560), (1128, 18820), (1410, 15056), (1504, 14115), (1880, 11292), (1882, 11280), (2256, 9410), (2820, 7528), (2823, 7520), (3760, 5646), (3764, 5640), (4512, 4705)]