21247200040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3001}}^1\times {\mathrm{16091}}^1$

素因数の和:19114

約数の個数: 64

約数和(自身を含む): 52172838720

約数和(自身を除く): 30925638680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3001, 6002, 12004, 15005, 16091, 24008, 30010, 32182, 33011, 60020, 64364, 66022, 80455, 120040, 128728, 132044, 160910, 165055, 177001, 264088, 321820, 330110, 354002, 643640, 660220, 708004, 885005, 1320440, 1416008, 1770010, 3540020, 7080040, 48289091, 96578182, 193156364, 241445455, 386312728, 482890910, 531180001, 965781820, 1062360002, 1931563640, 2124720004, 2655900005, 4249440008, 5311800010, 10623600020, 21247200040]

約数ペア:

[(1, 21247200040), (2, 10623600020), (4, 5311800010), (5, 4249440008), (8, 2655900005), (10, 2124720004), (11, 1931563640), (20, 1062360002), (22, 965781820), (40, 531180001), (44, 482890910), (55, 386312728), (88, 241445455), (110, 193156364), (220, 96578182), (440, 48289091), (3001, 7080040), (6002, 3540020), (12004, 1770010), (15005, 1416008), (16091, 1320440), (24008, 885005), (30010, 708004), (32182, 660220), (33011, 643640), (60020, 354002), (64364, 330110), (66022, 321820), (80455, 264088), (120040, 177001), (128728, 165055), (132044, 160910)]