21436920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 53212680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 863, 920, 1035, 1080, 1242, 1380, 1656, 1726, 2070, 2484, 2589, 2760, 3105, 3452, 4140, 4315, 4968, 5178, 6210, 6904, 7767, 8280, 8630, 10356, 12420, 12945, 15534, 17260, 19849, 20712, 23301, 24840, 25890, 31068, 34520, 38835, 39698, 46602, 51780, 59547, 62136, 77670, 79396, 93204, 99245, 103560, 116505, 119094, 155340, 158792, 178641, 186408, 198490, 233010, 238188, 297735, 310680, 357282, 396980, 466020, 476376, 535923, 595470, 714564, 793960, 893205, 932040, 1071846, 1190940, 1429128, 1786410, 2143692, 2381880, 2679615, 3572820, 4287384, 5359230, 7145640, 10718460, 21436920]

約数ペア:

[(1, 21436920), (2, 10718460), (3, 7145640), (4, 5359230), (5, 4287384), (6, 3572820), (8, 2679615), (9, 2381880), (10, 2143692), (12, 1786410), (15, 1429128), (18, 1190940), (20, 1071846), (23, 932040), (24, 893205), (27, 793960), (30, 714564), (36, 595470), (40, 535923), (45, 476376), (46, 466020), (54, 396980), (60, 357282), (69, 310680), (72, 297735), (90, 238188), (92, 233010), (108, 198490), (115, 186408), (120, 178641), (135, 158792), (138, 155340), (180, 119094), (184, 116505), (207, 103560), (216, 99245), (230, 93204), (270, 79396), (276, 77670), (345, 62136), (360, 59547), (414, 51780), (460, 46602), (540, 39698), (552, 38835), (621, 34520), (690, 31068), (828, 25890), (863, 24840), (920, 23301), (1035, 20712), (1080, 19849), (1242, 17260), (1380, 15534), (1656, 12945), (1726, 12420), (2070, 10356), (2484, 8630), (2589, 8280), (2760, 7767), (3105, 6904), (3452, 6210), (4140, 5178), (4315, 4968)]