21113190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11171}}^1$

素因数の和:11194

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 43237530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11171, 22342, 33513, 55855, 67026, 78197, 100539, 111710, 156394, 167565, 201078, 234591, 301617, 335130, 390985, 469182, 502695, 603234, 703773, 781970, 1005390, 1172955, 1407546, 1508085, 2111319, 2345910, 3016170, 3518865, 4222638, 7037730, 10556595, 21113190]

約数ペア:

[(1, 21113190), (2, 10556595), (3, 7037730), (5, 4222638), (6, 3518865), (7, 3016170), (9, 2345910), (10, 2111319), (14, 1508085), (15, 1407546), (18, 1172955), (21, 1005390), (27, 781970), (30, 703773), (35, 603234), (42, 502695), (45, 469182), (54, 390985), (63, 335130), (70, 301617), (90, 234591), (105, 201078), (126, 167565), (135, 156394), (189, 111710), (210, 100539), (270, 78197), (315, 67026), (378, 55855), (630, 33513), (945, 22342), (1890, 11171)]