21661660692

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12279853}}^1$

素因数の和:12279877

約数の個数: 54

約数和(自身を含む): 63695602698

約数和(自身を除く): 42033942006

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12279853, 24559706, 36839559, 49119412, 73679118, 85958971, 110518677, 147358236, 171917942, 221037354, 257876913, 343835884, 442074708, 515753826, 601712797, 773630739, 1031507652, 1203425594, 1547261478, 1805138391, 2406851188, 3094522956, 3610276782, 5415415173, 7220553564, 10830830346, 21661660692]

約数ペア:

[(1, 21661660692), (2, 10830830346), (3, 7220553564), (4, 5415415173), (6, 3610276782), (7, 3094522956), (9, 2406851188), (12, 1805138391), (14, 1547261478), (18, 1203425594), (21, 1031507652), (28, 773630739), (36, 601712797), (42, 515753826), (49, 442074708), (63, 343835884), (84, 257876913), (98, 221037354), (126, 171917942), (147, 147358236), (196, 110518677), (252, 85958971), (294, 73679118), (441, 49119412), (588, 36839559), (882, 24559706), (1764, 12279853)]