21577296

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 60690560

約数和(自身を除く): 39113264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 151, 156, 208, 229, 302, 312, 453, 458, 604, 624, 687, 906, 916, 1208, 1374, 1812, 1832, 1963, 2416, 2748, 2977, 3624, 3664, 3926, 5496, 5889, 5954, 7248, 7852, 8931, 10992, 11778, 11908, 15704, 17862, 23556, 23816, 31408, 34579, 35724, 47112, 47632, 69158, 71448, 94224, 103737, 138316, 142896, 207474, 276632, 414948, 449527, 553264, 829896, 899054, 1348581, 1659792, 1798108, 2697162, 3596216, 5394324, 7192432, 10788648, 21577296]

約数ペア:

[(1, 21577296), (2, 10788648), (3, 7192432), (4, 5394324), (6, 3596216), (8, 2697162), (12, 1798108), (13, 1659792), (16, 1348581), (24, 899054), (26, 829896), (39, 553264), (48, 449527), (52, 414948), (78, 276632), (104, 207474), (151, 142896), (156, 138316), (208, 103737), (229, 94224), (302, 71448), (312, 69158), (453, 47632), (458, 47112), (604, 35724), (624, 34579), (687, 31408), (906, 23816), (916, 23556), (1208, 17862), (1374, 15704), (1812, 11908), (1832, 11778), (1963, 10992), (2416, 8931), (2748, 7852), (2977, 7248), (3624, 5954), (3664, 5889), (3926, 5496)]