21776490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 61528896

約数和(自身を除く): 39752406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 43, 45, 51, 85, 86, 90, 102, 129, 153, 170, 215, 255, 258, 306, 331, 387, 430, 510, 645, 662, 731, 765, 774, 993, 1290, 1462, 1530, 1655, 1935, 1986, 2193, 2979, 3310, 3655, 3870, 4386, 4965, 5627, 5958, 6579, 7310, 9930, 10965, 11254, 13158, 14233, 14895, 16881, 21930, 28135, 28466, 29790, 32895, 33762, 42699, 50643, 56270, 65790, 71165, 84405, 85398, 101286, 128097, 142330, 168810, 213495, 241961, 253215, 256194, 426990, 483922, 506430, 640485, 725883, 1209805, 1280970, 1451766, 2177649, 2419610, 3629415, 4355298, 7258830, 10888245, 21776490]

約数ペア:

[(1, 21776490), (2, 10888245), (3, 7258830), (5, 4355298), (6, 3629415), (9, 2419610), (10, 2177649), (15, 1451766), (17, 1280970), (18, 1209805), (30, 725883), (34, 640485), (43, 506430), (45, 483922), (51, 426990), (85, 256194), (86, 253215), (90, 241961), (102, 213495), (129, 168810), (153, 142330), (170, 128097), (215, 101286), (255, 85398), (258, 84405), (306, 71165), (331, 65790), (387, 56270), (430, 50643), (510, 42699), (645, 33762), (662, 32895), (731, 29790), (765, 28466), (774, 28135), (993, 21930), (1290, 16881), (1462, 14895), (1530, 14233), (1655, 13158), (1935, 11254), (1986, 10965), (2193, 9930), (2979, 7310), (3310, 6579), (3655, 5958), (3870, 5627), (4386, 4965)]