21432180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4669

約数の個数: 96

約数和(自身を含む): 74833920

約数和(自身を除く): 53401740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4639, 9278, 13917, 18556, 23195, 27834, 32473, 46390, 51029, 55668, 64946, 69585, 92780, 97419, 102058, 129892, 139170, 153087, 162365, 194838, 204116, 255145, 278340, 306174, 324730, 357203, 389676, 487095, 510290, 612348, 649460, 714406, 765435, 974190, 1020580, 1071609, 1428812, 1530870, 1786015, 1948380, 2143218, 3061740, 3572030, 4286436, 5358045, 7144060, 10716090, 21432180]

約数ペア:

[(1, 21432180), (2, 10716090), (3, 7144060), (4, 5358045), (5, 4286436), (6, 3572030), (7, 3061740), (10, 2143218), (11, 1948380), (12, 1786015), (14, 1530870), (15, 1428812), (20, 1071609), (21, 1020580), (22, 974190), (28, 765435), (30, 714406), (33, 649460), (35, 612348), (42, 510290), (44, 487095), (55, 389676), (60, 357203), (66, 324730), (70, 306174), (77, 278340), (84, 255145), (105, 204116), (110, 194838), (132, 162365), (140, 153087), (154, 139170), (165, 129892), (210, 102058), (220, 97419), (231, 92780), (308, 69585), (330, 64946), (385, 55668), (420, 51029), (462, 46390), (660, 32473), (770, 27834), (924, 23195), (1155, 18556), (1540, 13917), (2310, 9278), (4620, 4639)]