21861090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 59511672

約数和(自身を除く): 37650582

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 137, 162, 197, 270, 274, 394, 405, 411, 591, 685, 810, 822, 985, 1182, 1233, 1370, 1773, 1970, 2055, 2466, 2955, 3546, 3699, 4110, 5319, 5910, 6165, 7398, 8865, 10638, 11097, 12330, 15957, 17730, 18495, 22194, 26595, 26989, 31914, 36990, 53190, 53978, 55485, 79785, 80967, 110970, 134945, 159570, 161934, 242901, 269890, 404835, 485802, 728703, 809670, 1214505, 1457406, 2186109, 2429010, 3643515, 4372218, 7287030, 10930545, 21861090]

約数ペア:

[(1, 21861090), (2, 10930545), (3, 7287030), (5, 4372218), (6, 3643515), (9, 2429010), (10, 2186109), (15, 1457406), (18, 1214505), (27, 809670), (30, 728703), (45, 485802), (54, 404835), (81, 269890), (90, 242901), (135, 161934), (137, 159570), (162, 134945), (197, 110970), (270, 80967), (274, 79785), (394, 55485), (405, 53978), (411, 53190), (591, 36990), (685, 31914), (810, 26989), (822, 26595), (985, 22194), (1182, 18495), (1233, 17730), (1370, 15957), (1773, 12330), (1970, 11097), (2055, 10638), (2466, 8865), (2955, 7398), (3546, 6165), (3699, 5910), (4110, 5319)]