21211560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58921}}^1$

素因数の和:58938

約数の個数: 48

約数和(自身を含む): 68938740

約数和(自身を除く): 47727180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58921, 117842, 176763, 235684, 294605, 353526, 471368, 530289, 589210, 707052, 883815, 1060578, 1178420, 1414104, 1767630, 2121156, 2356840, 2651445, 3535260, 4242312, 5302890, 7070520, 10605780, 21211560]

約数ペア:

[(1, 21211560), (2, 10605780), (3, 7070520), (4, 5302890), (5, 4242312), (6, 3535260), (8, 2651445), (9, 2356840), (10, 2121156), (12, 1767630), (15, 1414104), (18, 1178420), (20, 1060578), (24, 883815), (30, 707052), (36, 589210), (40, 530289), (45, 471368), (60, 353526), (72, 294605), (90, 235684), (120, 176763), (180, 117842), (360, 58921)]