21834800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 180

約数和(自身を含む): 63310680

約数和(自身を除く): 41475880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 34, 38, 40, 50, 52, 65, 68, 76, 80, 85, 95, 100, 104, 130, 136, 152, 169, 170, 190, 200, 208, 221, 247, 260, 272, 304, 323, 325, 338, 340, 380, 400, 425, 442, 475, 494, 520, 646, 650, 676, 680, 760, 845, 850, 884, 950, 988, 1040, 1105, 1235, 1292, 1300, 1352, 1360, 1520, 1615, 1690, 1700, 1768, 1900, 1976, 2210, 2470, 2584, 2600, 2704, 2873, 3211, 3230, 3380, 3400, 3536, 3800, 3952, 4199, 4225, 4420, 4940, 5168, 5200, 5525, 5746, 6175, 6422, 6460, 6760, 6800, 7600, 8075, 8398, 8450, 8840, 9880, 11050, 11492, 12350, 12844, 12920, 13520, 14365, 16055, 16150, 16796, 16900, 17680, 19760, 20995, 22100, 22984, 24700, 25688, 25840, 28730, 32110, 32300, 33592, 33800, 41990, 44200, 45968, 49400, 51376, 54587, 57460, 64220, 64600, 67184, 67600, 71825, 80275, 83980, 88400, 98800, 104975, 109174, 114920, 128440, 129200, 143650, 160550, 167960, 209950, 218348, 229840, 256880, 272935, 287300, 321100, 335920, 419900, 436696, 545870, 574600, 642200, 839800, 873392, 1091740, 1149200, 1284400, 1364675, 1679600, 2183480, 2729350, 4366960, 5458700, 10917400, 21834800]

約数ペア:

[(1, 21834800), (2, 10917400), (4, 5458700), (5, 4366960), (8, 2729350), (10, 2183480), (13, 1679600), (16, 1364675), (17, 1284400), (19, 1149200), (20, 1091740), (25, 873392), (26, 839800), (34, 642200), (38, 574600), (40, 545870), (50, 436696), (52, 419900), (65, 335920), (68, 321100), (76, 287300), (80, 272935), (85, 256880), (95, 229840), (100, 218348), (104, 209950), (130, 167960), (136, 160550), (152, 143650), (169, 129200), (170, 128440), (190, 114920), (200, 109174), (208, 104975), (221, 98800), (247, 88400), (260, 83980), (272, 80275), (304, 71825), (323, 67600), (325, 67184), (338, 64600), (340, 64220), (380, 57460), (400, 54587), (425, 51376), (442, 49400), (475, 45968), (494, 44200), (520, 41990), (646, 33800), (650, 33592), (676, 32300), (680, 32110), (760, 28730), (845, 25840), (850, 25688), (884, 24700), (950, 22984), (988, 22100), (1040, 20995), (1105, 19760), (1235, 17680), (1292, 16900), (1300, 16796), (1352, 16150), (1360, 16055), (1520, 14365), (1615, 13520), (1690, 12920), (1700, 12844), (1768, 12350), (1900, 11492), (1976, 11050), (2210, 9880), (2470, 8840), (2584, 8450), (2600, 8398), (2704, 8075), (2873, 7600), (3211, 6800), (3230, 6760), (3380, 6460), (3400, 6422), (3536, 6175), (3800, 5746), (3952, 5525), (4199, 5200), (4225, 5168), (4420, 4940)]