21801229736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1003001}}^1$

素因数の和:1003050

約数の個数: 64

約数和(自身を含む): 50551300800

約数和(自身を除く): 28750071064

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2717, 5434, 10868, 21736, 1003001, 2006002, 4012004, 8024008, 11033011, 13039013, 19057019, 22066022, 26078026, 38114038, 44132044, 52156052, 76228076, 88264088, 104312104, 143429143, 152456152, 209627209, 247741247, 286858286, 419254418, 495482494, 573716572, 838508836, 990964988, 1147433144, 1677017672, 1981929976, 2725153717, 5450307434, 10900614868, 21801229736]

約数ペア:

[(1, 21801229736), (2, 10900614868), (4, 5450307434), (8, 2725153717), (11, 1981929976), (13, 1677017672), (19, 1147433144), (22, 990964988), (26, 838508836), (38, 573716572), (44, 495482494), (52, 419254418), (76, 286858286), (88, 247741247), (104, 209627209), (143, 152456152), (152, 143429143), (209, 104312104), (247, 88264088), (286, 76228076), (418, 52156052), (494, 44132044), (572, 38114038), (836, 26078026), (988, 22066022), (1144, 19057019), (1672, 13039013), (1976, 11033011), (2717, 8024008), (5434, 4012004), (10868, 2006002), (21736, 1003001)]