21322199540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{9901}}^1$

素因数の和:10065

約数の個数: 96

約数和(自身を含む): 47909836800

約数和(自身を除く): 26587637260

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 79, 94, 116, 145, 158, 188, 235, 290, 316, 395, 470, 580, 790, 940, 1363, 1580, 2291, 2726, 3713, 4582, 5452, 6815, 7426, 9164, 9901, 11455, 13630, 14852, 18565, 19802, 22910, 27260, 37130, 39604, 45820, 49505, 74260, 99010, 107677, 198020, 215354, 287129, 430708, 465347, 538385, 574258, 782179, 930694, 1076770, 1148516, 1435645, 1564358, 1861388, 2153540, 2326735, 2871290, 3128716, 3910895, 4653470, 5742580, 7821790, 9306940, 13495063, 15643580, 22683191, 26990126, 36762413, 45366382, 53980252, 67475315, 73524826, 90732764, 113415955, 134950630, 147049652, 183812065, 226831910, 269901260, 367624130, 453663820, 735248260, 1066109977, 2132219954, 4264439908, 5330549885, 10661099770, 21322199540]

約数ペア:

[(1, 21322199540), (2, 10661099770), (4, 5330549885), (5, 4264439908), (10, 2132219954), (20, 1066109977), (29, 735248260), (47, 453663820), (58, 367624130), (79, 269901260), (94, 226831910), (116, 183812065), (145, 147049652), (158, 134950630), (188, 113415955), (235, 90732764), (290, 73524826), (316, 67475315), (395, 53980252), (470, 45366382), (580, 36762413), (790, 26990126), (940, 22683191), (1363, 15643580), (1580, 13495063), (2291, 9306940), (2726, 7821790), (3713, 5742580), (4582, 4653470), (5452, 3910895), (6815, 3128716), (7426, 2871290), (9164, 2326735), (9901, 2153540), (11455, 1861388), (13630, 1564358), (14852, 1435645), (18565, 1148516), (19802, 1076770), (22910, 930694), (27260, 782179), (37130, 574258), (39604, 538385), (45820, 465347), (49505, 430708), (74260, 287129), (99010, 215354), (107677, 198020)]