21714644

素因数分解:

$2^2\times 7^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 49412160

約数和(自身を除く): 27697516

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 343, 476, 532, 646, 686, 833, 931, 1292, 1372, 1666, 1862, 2261, 2401, 3332, 3724, 4522, 4802, 5831, 6517, 9044, 9604, 11662, 13034, 15827, 16807, 23324, 26068, 31654, 33614, 40817, 45619, 63308, 67228, 81634, 91238, 110789, 163268, 182476, 221578, 285719, 319333, 443156, 571438, 638666, 775523, 1142876, 1277332, 1551046, 3102092, 5428661, 10857322, 21714644]

約数ペア:

[(1, 21714644), (2, 10857322), (4, 5428661), (7, 3102092), (14, 1551046), (17, 1277332), (19, 1142876), (28, 775523), (34, 638666), (38, 571438), (49, 443156), (68, 319333), (76, 285719), (98, 221578), (119, 182476), (133, 163268), (196, 110789), (238, 91238), (266, 81634), (323, 67228), (343, 63308), (476, 45619), (532, 40817), (646, 33614), (686, 31654), (833, 26068), (931, 23324), (1292, 16807), (1372, 15827), (1666, 13034), (1862, 11662), (2261, 9604), (2401, 9044), (3332, 6517), (3724, 5831), (4522, 4802)]