21355848

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 62056800

約数和(自身を除く): 40700952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 67, 72, 76, 114, 134, 152, 171, 201, 228, 233, 268, 342, 402, 456, 466, 536, 603, 684, 699, 804, 932, 1206, 1273, 1368, 1398, 1608, 1864, 2097, 2412, 2546, 2796, 3819, 4194, 4427, 4824, 5092, 5592, 7638, 8388, 8854, 10184, 11457, 13281, 15276, 15611, 16776, 17708, 22914, 26562, 30552, 31222, 35416, 39843, 45828, 46833, 53124, 62444, 79686, 91656, 93666, 106248, 124888, 140499, 159372, 187332, 280998, 296609, 318744, 374664, 561996, 593218, 889827, 1123992, 1186436, 1779654, 2372872, 2669481, 3559308, 5338962, 7118616, 10677924, 21355848]

約数ペア:

[(1, 21355848), (2, 10677924), (3, 7118616), (4, 5338962), (6, 3559308), (8, 2669481), (9, 2372872), (12, 1779654), (18, 1186436), (19, 1123992), (24, 889827), (36, 593218), (38, 561996), (57, 374664), (67, 318744), (72, 296609), (76, 280998), (114, 187332), (134, 159372), (152, 140499), (171, 124888), (201, 106248), (228, 93666), (233, 91656), (268, 79686), (342, 62444), (402, 53124), (456, 46833), (466, 45828), (536, 39843), (603, 35416), (684, 31222), (699, 30552), (804, 26562), (932, 22914), (1206, 17708), (1273, 16776), (1368, 15611), (1398, 15276), (1608, 13281), (1864, 11457), (2097, 10184), (2412, 8854), (2546, 8388), (2796, 7638), (3819, 5592), (4194, 5092), (4427, 4824)]