21051958560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{269069}}^1$

素因数の和:269250

約数の個数: 96

約数和(自身を含む): 66720749760

約数和(自身を除く): 45668791200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 163, 240, 326, 480, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 2608, 3260, 3912, 4890, 5216, 6520, 7824, 9780, 13040, 15648, 19560, 26080, 39120, 78240, 269069, 538138, 807207, 1076276, 1345345, 1614414, 2152552, 2690690, 3228828, 4036035, 4305104, 5381380, 6457656, 8072070, 8610208, 10762760, 12915312, 16144140, 21525520, 25830624, 32288280, 43051040, 43858247, 64576560, 87716494, 129153120, 131574741, 175432988, 219291235, 263149482, 350865976, 438582470, 526298964, 657873705, 701731952, 877164940, 1052597928, 1315747410, 1403463904, 1754329880, 2105195856, 2631494820, 3508659760, 4210391712, 5262989640, 7017319520, 10525979280, 21051958560]

約数ペア:

[(1, 21051958560), (2, 10525979280), (3, 7017319520), (4, 5262989640), (5, 4210391712), (6, 3508659760), (8, 2631494820), (10, 2105195856), (12, 1754329880), (15, 1403463904), (16, 1315747410), (20, 1052597928), (24, 877164940), (30, 701731952), (32, 657873705), (40, 526298964), (48, 438582470), (60, 350865976), (80, 263149482), (96, 219291235), (120, 175432988), (160, 131574741), (163, 129153120), (240, 87716494), (326, 64576560), (480, 43858247), (489, 43051040), (652, 32288280), (815, 25830624), (978, 21525520), (1304, 16144140), (1630, 12915312), (1956, 10762760), (2445, 8610208), (2608, 8072070), (3260, 6457656), (3912, 5381380), (4890, 4305104), (5216, 4036035), (6520, 3228828), (7824, 2690690), (9780, 2152552), (13040, 1614414), (15648, 1345345), (19560, 1076276), (26080, 807207), (39120, 538138), (78240, 269069)]