21886860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 65640960

約数和(自身を除く): 43754100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 73, 76, 95, 114, 146, 190, 219, 228, 263, 285, 292, 365, 380, 438, 526, 570, 730, 789, 876, 1052, 1095, 1140, 1315, 1387, 1460, 1578, 2190, 2630, 2774, 3156, 3945, 4161, 4380, 4997, 5260, 5548, 6935, 7890, 8322, 9994, 13870, 14991, 15780, 16644, 19199, 19988, 20805, 24985, 27740, 29982, 38398, 41610, 49970, 57597, 59964, 74955, 76796, 83220, 95995, 99940, 115194, 149910, 191990, 230388, 287985, 299820, 364781, 383980, 575970, 729562, 1094343, 1151940, 1459124, 1823905, 2188686, 3647810, 4377372, 5471715, 7295620, 10943430, 21886860]

約数ペア:

[(1, 21886860), (2, 10943430), (3, 7295620), (4, 5471715), (5, 4377372), (6, 3647810), (10, 2188686), (12, 1823905), (15, 1459124), (19, 1151940), (20, 1094343), (30, 729562), (38, 575970), (57, 383980), (60, 364781), (73, 299820), (76, 287985), (95, 230388), (114, 191990), (146, 149910), (190, 115194), (219, 99940), (228, 95995), (263, 83220), (285, 76796), (292, 74955), (365, 59964), (380, 57597), (438, 49970), (526, 41610), (570, 38398), (730, 29982), (789, 27740), (876, 24985), (1052, 20805), (1095, 19988), (1140, 19199), (1315, 16644), (1387, 15780), (1460, 14991), (1578, 13870), (2190, 9994), (2630, 8322), (2774, 7890), (3156, 6935), (3945, 5548), (4161, 5260), (4380, 4997)]