21000836340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10606483}}^1$

素因数の和:10606509

約数の個数: 72

約数和(自身を含む): 69493683168

約数和(自身を除く): 48492846828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10606483, 21212966, 31819449, 42425932, 53032415, 63638898, 95458347, 106064830, 116671313, 127277796, 159097245, 190916694, 212129660, 233342626, 318194490, 350013939, 381833388, 466685252, 477291735, 583356565, 636388980, 700027878, 954583470, 1050041817, 1166713130, 1400055756, 1750069695, 1909166940, 2100083634, 2333426260, 3500139390, 4200167268, 5250209085, 7000278780, 10500418170, 21000836340]

約数ペア:

[(1, 21000836340), (2, 10500418170), (3, 7000278780), (4, 5250209085), (5, 4200167268), (6, 3500139390), (9, 2333426260), (10, 2100083634), (11, 1909166940), (12, 1750069695), (15, 1400055756), (18, 1166713130), (20, 1050041817), (22, 954583470), (30, 700027878), (33, 636388980), (36, 583356565), (44, 477291735), (45, 466685252), (55, 381833388), (60, 350013939), (66, 318194490), (90, 233342626), (99, 212129660), (110, 190916694), (132, 159097245), (165, 127277796), (180, 116671313), (198, 106064830), (220, 95458347), (330, 63638898), (396, 53032415), (495, 42425932), (660, 31819449), (990, 21212966), (1980, 10606483)]