21351744

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1988

約数の個数: 84

約数和(自身を含む): 64455040

約数和(自身を除く): 43103296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 152, 171, 192, 228, 288, 304, 342, 456, 576, 608, 684, 912, 1216, 1368, 1824, 1951, 2736, 3648, 3902, 5472, 5853, 7804, 10944, 11706, 15608, 17559, 23412, 31216, 35118, 37069, 46824, 62432, 70236, 74138, 93648, 111207, 124864, 140472, 148276, 187296, 222414, 280944, 296552, 333621, 374592, 444828, 561888, 593104, 667242, 889656, 1123776, 1186208, 1334484, 1779312, 2372416, 2668968, 3558624, 5337936, 7117248, 10675872, 21351744]

約数ペア:

[(1, 21351744), (2, 10675872), (3, 7117248), (4, 5337936), (6, 3558624), (8, 2668968), (9, 2372416), (12, 1779312), (16, 1334484), (18, 1186208), (19, 1123776), (24, 889656), (32, 667242), (36, 593104), (38, 561888), (48, 444828), (57, 374592), (64, 333621), (72, 296552), (76, 280944), (96, 222414), (114, 187296), (144, 148276), (152, 140472), (171, 124864), (192, 111207), (228, 93648), (288, 74138), (304, 70236), (342, 62432), (456, 46824), (576, 37069), (608, 35118), (684, 31216), (912, 23412), (1216, 17559), (1368, 15608), (1824, 11706), (1951, 10944), (2736, 7804), (3648, 5853), (3902, 5472)]