21139937308

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{373207}}^1$

素因数の和:373259

約数の個数: 54

約数和(自身を含む): 45715367544

約数和(自身を除く): 24575430236

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 476, 578, 833, 1156, 1666, 2023, 3332, 4046, 8092, 14161, 28322, 56644, 373207, 746414, 1492828, 2612449, 5224898, 6344519, 10449796, 12689038, 18287143, 25378076, 36574286, 44411633, 73148572, 88823266, 107856823, 177646532, 215713646, 310881431, 431427292, 621762862, 754997761, 1243525724, 1509995522, 3019991044, 5284984327, 10569968654, 21139937308]

約数ペア:

[(1, 21139937308), (2, 10569968654), (4, 5284984327), (7, 3019991044), (14, 1509995522), (17, 1243525724), (28, 754997761), (34, 621762862), (49, 431427292), (68, 310881431), (98, 215713646), (119, 177646532), (196, 107856823), (238, 88823266), (289, 73148572), (476, 44411633), (578, 36574286), (833, 25378076), (1156, 18287143), (1666, 12689038), (2023, 10449796), (3332, 6344519), (4046, 5224898), (8092, 2612449), (14161, 1492828), (28322, 746414), (56644, 373207)]