21379104

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3942

約数の個数: 72

約数和(自身を含む): 64013040

約数和(自身を除く): 42633936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3907, 5472, 7814, 11721, 15628, 23442, 31256, 35163, 46884, 62512, 70326, 74233, 93768, 125024, 140652, 148466, 187536, 222699, 281304, 296932, 375072, 445398, 562608, 593864, 668097, 890796, 1125216, 1187728, 1336194, 1781592, 2375456, 2672388, 3563184, 5344776, 7126368, 10689552, 21379104]

約数ペア:

[(1, 21379104), (2, 10689552), (3, 7126368), (4, 5344776), (6, 3563184), (8, 2672388), (9, 2375456), (12, 1781592), (16, 1336194), (18, 1187728), (19, 1125216), (24, 890796), (32, 668097), (36, 593864), (38, 562608), (48, 445398), (57, 375072), (72, 296932), (76, 281304), (96, 222699), (114, 187536), (144, 148466), (152, 140652), (171, 125024), (228, 93768), (288, 74233), (304, 70326), (342, 62512), (456, 46884), (608, 35163), (684, 31256), (912, 23442), (1368, 15628), (1824, 11721), (2736, 7814), (3907, 5472)]