21628425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3202

約数の個数: 48

約数和(自身を含む): 44024960

約数和(自身を除く): 22396535

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 3169, 6825, 9507, 15845, 22183, 41197, 47535, 66549, 79225, 110915, 123591, 205985, 237675, 288379, 332745, 554575, 617955, 865137, 1029925, 1441895, 1663725, 3089775, 4325685, 7209475, 21628425]

約数ペア:

[(1, 21628425), (3, 7209475), (5, 4325685), (7, 3089775), (13, 1663725), (15, 1441895), (21, 1029925), (25, 865137), (35, 617955), (39, 554575), (65, 332745), (75, 288379), (91, 237675), (105, 205985), (175, 123591), (195, 110915), (273, 79225), (325, 66549), (455, 47535), (525, 41197), (975, 22183), (1365, 15845), (2275, 9507), (3169, 6825)]