21119544

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^2$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 38045016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 79, 94, 141, 158, 188, 237, 282, 316, 376, 423, 474, 564, 632, 711, 846, 948, 1128, 1422, 1692, 1896, 2844, 3384, 3713, 5688, 6241, 7426, 11139, 12482, 14852, 18723, 22278, 24964, 29704, 33417, 37446, 44556, 49928, 56169, 66834, 74892, 89112, 112338, 133668, 149784, 224676, 267336, 293327, 449352, 586654, 879981, 1173308, 1759962, 2346616, 2639943, 3519924, 5279886, 7039848, 10559772, 21119544]

約数ペア:

[(1, 21119544), (2, 10559772), (3, 7039848), (4, 5279886), (6, 3519924), (8, 2639943), (9, 2346616), (12, 1759962), (18, 1173308), (24, 879981), (36, 586654), (47, 449352), (72, 293327), (79, 267336), (94, 224676), (141, 149784), (158, 133668), (188, 112338), (237, 89112), (282, 74892), (316, 66834), (376, 56169), (423, 49928), (474, 44556), (564, 37446), (632, 33417), (711, 29704), (846, 24964), (948, 22278), (1128, 18723), (1422, 14852), (1692, 12482), (1896, 11139), (2844, 7426), (3384, 6241), (3713, 5688)]