21304832280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{660001}}^1$

素因数の和:660284

約数の個数: 64

約数和(自身を含む): 64152194400

約数和(自身を除く): 42847362120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 5380, 6456, 8070, 10760, 16140, 32280, 660001, 1320002, 1980003, 2640004, 3300005, 3960006, 5280008, 6600010, 7920012, 9900015, 13200020, 15840024, 19800030, 26400040, 39600060, 79200120, 177540269, 355080538, 532620807, 710161076, 887701345, 1065241614, 1420322152, 1775402690, 2130483228, 2663104035, 3550805380, 4260966456, 5326208070, 7101610760, 10652416140, 21304832280]

約数ペア:

[(1, 21304832280), (2, 10652416140), (3, 7101610760), (4, 5326208070), (5, 4260966456), (6, 3550805380), (8, 2663104035), (10, 2130483228), (12, 1775402690), (15, 1420322152), (20, 1065241614), (24, 887701345), (30, 710161076), (40, 532620807), (60, 355080538), (120, 177540269), (269, 79200120), (538, 39600060), (807, 26400040), (1076, 19800030), (1345, 15840024), (1614, 13200020), (2152, 9900015), (2690, 7920012), (3228, 6600010), (4035, 5280008), (5380, 3960006), (6456, 3300005), (8070, 2640004), (10760, 1980003), (16140, 1320002), (32280, 660001)]