21841560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 77079600

約数和(自身を除く): 55238040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 359, 360, 390, 468, 507, 520, 585, 676, 718, 780, 845, 936, 1014, 1077, 1170, 1352, 1436, 1521, 1560, 1690, 1795, 2028, 2154, 2340, 2535, 2872, 3042, 3231, 3380, 3590, 4056, 4308, 4667, 4680, 5070, 5385, 6084, 6462, 6760, 7180, 7605, 8616, 9334, 10140, 10770, 12168, 12924, 14001, 14360, 15210, 16155, 18668, 20280, 21540, 23335, 25848, 28002, 30420, 32310, 37336, 42003, 43080, 46670, 56004, 60671, 60840, 64620, 70005, 84006, 93340, 112008, 121342, 129240, 140010, 168012, 182013, 186680, 210015, 242684, 280020, 303355, 336024, 364026, 420030, 485368, 546039, 560040, 606710, 728052, 840060, 910065, 1092078, 1213420, 1456104, 1680120, 1820130, 2184156, 2426840, 2730195, 3640260, 4368312, 5460390, 7280520, 10920780, 21841560]

約数ペア:

[(1, 21841560), (2, 10920780), (3, 7280520), (4, 5460390), (5, 4368312), (6, 3640260), (8, 2730195), (9, 2426840), (10, 2184156), (12, 1820130), (13, 1680120), (15, 1456104), (18, 1213420), (20, 1092078), (24, 910065), (26, 840060), (30, 728052), (36, 606710), (39, 560040), (40, 546039), (45, 485368), (52, 420030), (60, 364026), (65, 336024), (72, 303355), (78, 280020), (90, 242684), (104, 210015), (117, 186680), (120, 182013), (130, 168012), (156, 140010), (169, 129240), (180, 121342), (195, 112008), (234, 93340), (260, 84006), (312, 70005), (338, 64620), (359, 60840), (360, 60671), (390, 56004), (468, 46670), (507, 43080), (520, 42003), (585, 37336), (676, 32310), (718, 30420), (780, 28002), (845, 25848), (936, 23335), (1014, 21540), (1077, 20280), (1170, 18668), (1352, 16155), (1436, 15210), (1521, 14360), (1560, 14001), (1690, 12924), (1795, 12168), (2028, 10770), (2154, 10140), (2340, 9334), (2535, 8616), (2872, 7605), (3042, 7180), (3231, 6760), (3380, 6462), (3590, 6084), (4056, 5385), (4308, 5070), (4667, 4680)]