21937050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 108

約数和(自身を含む): 62493210

約数和(自身を除く): 40556160

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 41, 45, 50, 58, 75, 82, 87, 90, 123, 145, 150, 174, 205, 225, 246, 261, 290, 369, 410, 435, 450, 522, 615, 725, 738, 870, 1025, 1189, 1230, 1305, 1450, 1681, 1845, 2050, 2175, 2378, 2610, 3075, 3362, 3567, 3690, 4350, 5043, 5945, 6150, 6525, 7134, 8405, 9225, 10086, 10701, 11890, 13050, 15129, 16810, 17835, 18450, 21402, 25215, 29725, 30258, 35670, 42025, 48749, 50430, 53505, 59450, 75645, 84050, 89175, 97498, 107010, 126075, 146247, 151290, 178350, 243745, 252150, 267525, 292494, 378225, 438741, 487490, 535050, 731235, 756450, 877482, 1218725, 1462470, 2193705, 2437450, 3656175, 4387410, 7312350, 10968525, 21937050]

約数ペア:

[(1, 21937050), (2, 10968525), (3, 7312350), (5, 4387410), (6, 3656175), (9, 2437450), (10, 2193705), (15, 1462470), (18, 1218725), (25, 877482), (29, 756450), (30, 731235), (41, 535050), (45, 487490), (50, 438741), (58, 378225), (75, 292494), (82, 267525), (87, 252150), (90, 243745), (123, 178350), (145, 151290), (150, 146247), (174, 126075), (205, 107010), (225, 97498), (246, 89175), (261, 84050), (290, 75645), (369, 59450), (410, 53505), (435, 50430), (450, 48749), (522, 42025), (615, 35670), (725, 30258), (738, 29725), (870, 25215), (1025, 21402), (1189, 18450), (1230, 17835), (1305, 16810), (1450, 15129), (1681, 13050), (1845, 11890), (2050, 10701), (2175, 10086), (2378, 9225), (2610, 8405), (3075, 7134), (3362, 6525), (3567, 6150), (3690, 5945), (4350, 5043)]