21167797970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{4139}}^1$

素因数の和:6623

約数の個数: 64

約数和(自身を含む): 43781990400

約数和(自身を除く): 22614192430

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 2447, 4139, 4894, 8278, 12235, 20695, 24470, 26917, 41390, 45529, 46493, 53834, 78641, 91058, 92986, 134585, 157282, 227645, 232465, 269170, 393205, 455290, 464930, 511423, 786410, 865051, 1022846, 1730102, 2557115, 4325255, 5114230, 8650510, 10128133, 20256266, 50640665, 101281330, 111409463, 192434527, 222818926, 384869054, 557047315, 962172635, 1114094630, 1924345270, 2116779797, 4233559594, 10583898985, 21167797970]

約数ペア:

[(1, 21167797970), (2, 10583898985), (5, 4233559594), (10, 2116779797), (11, 1924345270), (19, 1114094630), (22, 962172635), (38, 557047315), (55, 384869054), (95, 222818926), (110, 192434527), (190, 111409463), (209, 101281330), (418, 50640665), (1045, 20256266), (2090, 10128133), (2447, 8650510), (4139, 5114230), (4894, 4325255), (8278, 2557115), (12235, 1730102), (20695, 1022846), (24470, 865051), (26917, 786410), (41390, 511423), (45529, 464930), (46493, 455290), (53834, 393205), (78641, 269170), (91058, 232465), (92986, 227645), (134585, 157282)]