21965568

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 60118128

約数和(自身を除く): 38152560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 768, 773, 888, 1184, 1546, 1776, 2319, 2368, 3092, 3552, 4638, 4736, 6184, 7104, 9276, 9472, 12368, 14208, 18552, 24736, 28416, 28601, 37104, 49472, 57202, 74208, 85803, 98944, 114404, 148416, 171606, 197888, 228808, 296832, 343212, 457616, 593664, 686424, 915232, 1372848, 1830464, 2745696, 3660928, 5491392, 7321856, 10982784, 21965568]

約数ペア:

[(1, 21965568), (2, 10982784), (3, 7321856), (4, 5491392), (6, 3660928), (8, 2745696), (12, 1830464), (16, 1372848), (24, 915232), (32, 686424), (37, 593664), (48, 457616), (64, 343212), (74, 296832), (96, 228808), (111, 197888), (128, 171606), (148, 148416), (192, 114404), (222, 98944), (256, 85803), (296, 74208), (384, 57202), (444, 49472), (592, 37104), (768, 28601), (773, 28416), (888, 24736), (1184, 18552), (1546, 14208), (1776, 12368), (2319, 9472), (2368, 9276), (3092, 7104), (3552, 6184), (4638, 4736)]