21000565410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2683}}^1\times {\mathrm{23719}}^1$

素因数の和:26423

約数の個数: 64

約数和(自身を含む): 55006110720

約数和(自身を除く): 34005545310

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 2683, 5366, 8049, 13415, 16098, 23719, 26830, 29513, 40245, 47438, 59026, 71157, 80490, 88539, 118595, 142314, 147565, 177078, 237190, 260909, 295130, 355785, 442695, 521818, 711570, 782727, 885390, 1304545, 1565454, 2609090, 3913635, 7827270, 63638077, 127276154, 190914231, 318190385, 381828462, 636380770, 700018847, 954571155, 1400037694, 1909142310, 2100056541, 3500094235, 4200113082, 7000188470, 10500282705, 21000565410]

約数ペア:

[(1, 21000565410), (2, 10500282705), (3, 7000188470), (5, 4200113082), (6, 3500094235), (10, 2100056541), (11, 1909142310), (15, 1400037694), (22, 954571155), (30, 700018847), (33, 636380770), (55, 381828462), (66, 318190385), (110, 190914231), (165, 127276154), (330, 63638077), (2683, 7827270), (5366, 3913635), (8049, 2609090), (13415, 1565454), (16098, 1304545), (23719, 885390), (26830, 782727), (29513, 711570), (40245, 521818), (47438, 442695), (59026, 355785), (71157, 295130), (80490, 260909), (88539, 237190), (118595, 177078), (142314, 147565)]