21604830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1841

約数の個数: 64

約数和(自身を含む): 57673728

約数和(自身を除く): 36068898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1787, 2015, 2418, 3574, 4030, 5361, 6045, 8935, 10722, 12090, 17870, 23231, 26805, 46462, 53610, 55397, 69693, 110794, 116155, 139386, 166191, 232310, 276985, 332382, 348465, 553970, 696930, 720161, 830955, 1440322, 1661910, 2160483, 3600805, 4320966, 7201610, 10802415, 21604830]

約数ペア:

[(1, 21604830), (2, 10802415), (3, 7201610), (5, 4320966), (6, 3600805), (10, 2160483), (13, 1661910), (15, 1440322), (26, 830955), (30, 720161), (31, 696930), (39, 553970), (62, 348465), (65, 332382), (78, 276985), (93, 232310), (130, 166191), (155, 139386), (186, 116155), (195, 110794), (310, 69693), (390, 55397), (403, 53610), (465, 46462), (806, 26805), (930, 23231), (1209, 17870), (1787, 12090), (2015, 10722), (2418, 8935), (3574, 6045), (4030, 5361)]