21614684

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 50274000

約数和(自身を除く): 28659316

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 499, 637, 833, 884, 998, 1274, 1547, 1666, 1996, 2548, 3094, 3332, 3493, 6188, 6487, 6986, 8483, 10829, 12974, 13972, 16966, 21658, 24451, 25948, 33932, 43316, 45409, 48902, 59381, 90818, 97804, 110279, 118762, 181636, 220558, 237524, 317863, 415667, 441116, 635726, 771953, 831334, 1271452, 1543906, 1662668, 3087812, 5403671, 10807342, 21614684]

約数ペア:

[(1, 21614684), (2, 10807342), (4, 5403671), (7, 3087812), (13, 1662668), (14, 1543906), (17, 1271452), (26, 831334), (28, 771953), (34, 635726), (49, 441116), (52, 415667), (68, 317863), (91, 237524), (98, 220558), (119, 181636), (182, 118762), (196, 110279), (221, 97804), (238, 90818), (364, 59381), (442, 48902), (476, 45409), (499, 43316), (637, 33932), (833, 25948), (884, 24451), (998, 21658), (1274, 16966), (1547, 13972), (1666, 12974), (1996, 10829), (2548, 8483), (3094, 6986), (3332, 6487), (3493, 6188)]