21204855280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{24103}}^1$

素因数の和:25694

約数の個数: 80

約数和(自身を含む): 56382534144

約数和(自身を除く): 35177678864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1571, 3142, 6284, 7855, 10997, 12568, 15710, 21994, 24103, 25136, 31420, 43988, 48206, 54985, 62840, 87976, 96412, 109970, 120515, 125680, 168721, 175952, 192824, 219940, 241030, 337442, 385648, 439880, 482060, 674884, 843605, 879760, 964120, 1349768, 1687210, 1928240, 2699536, 3374420, 6748840, 13497680, 37865813, 75731626, 151463252, 189329065, 265060691, 302926504, 378658130, 530121382, 605853008, 757316260, 1060242764, 1325303455, 1514632520, 2120485528, 2650606910, 3029265040, 4240971056, 5301213820, 10602427640, 21204855280]

約数ペア:

[(1, 21204855280), (2, 10602427640), (4, 5301213820), (5, 4240971056), (7, 3029265040), (8, 2650606910), (10, 2120485528), (14, 1514632520), (16, 1325303455), (20, 1060242764), (28, 757316260), (35, 605853008), (40, 530121382), (56, 378658130), (70, 302926504), (80, 265060691), (112, 189329065), (140, 151463252), (280, 75731626), (560, 37865813), (1571, 13497680), (3142, 6748840), (6284, 3374420), (7855, 2699536), (10997, 1928240), (12568, 1687210), (15710, 1349768), (21994, 964120), (24103, 879760), (25136, 843605), (31420, 674884), (43988, 482060), (48206, 439880), (54985, 385648), (62840, 337442), (87976, 241030), (96412, 219940), (109970, 192824), (120515, 175952), (125680, 168721)]