21031618146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1341

約数の個数: 128

約数和(自身を含む): 53058170880

約数和(自身を除く): 32026552734

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 439, 462, 726, 847, 857, 878, 1317, 1331, 1694, 1714, 2541, 2571, 2634, 2662, 3073, 3993, 4829, 5082, 5142, 5999, 6146, 7986, 9219, 9317, 9427, 9658, 11998, 14487, 17997, 18438, 18634, 18854, 27951, 28281, 28974, 33803, 35994, 53119, 55902, 56562, 65989, 67606, 101409, 103697, 106238, 131978, 159357, 197967, 202818, 207394, 311091, 318714, 371833, 376223, 395934, 584309, 622182, 725879, 743666, 752446, 1115499, 1128669, 1140667, 1168618, 1451758, 1752927, 2177637, 2230998, 2257338, 2281334, 2633561, 3422001, 3505854, 4090163, 4138453, 4355274, 5267122, 6844002, 7900683, 7984669, 8180326, 8276906, 12270489, 12415359, 15801366, 15969338, 23954007, 24540978, 24830718, 28969171, 45522983, 47908014, 57938342, 86907513, 91045966, 136568949, 173815026, 273137898, 318660881, 500752813, 637321762, 955982643, 1001505626, 1502258439, 1911965286, 3004516878, 3505269691, 7010539382, 10515809073, 21031618146]

約数ペア:

[(1, 21031618146), (2, 10515809073), (3, 7010539382), (6, 3505269691), (7, 3004516878), (11, 1911965286), (14, 1502258439), (21, 1001505626), (22, 955982643), (33, 637321762), (42, 500752813), (66, 318660881), (77, 273137898), (121, 173815026), (154, 136568949), (231, 91045966), (242, 86907513), (363, 57938342), (439, 47908014), (462, 45522983), (726, 28969171), (847, 24830718), (857, 24540978), (878, 23954007), (1317, 15969338), (1331, 15801366), (1694, 12415359), (1714, 12270489), (2541, 8276906), (2571, 8180326), (2634, 7984669), (2662, 7900683), (3073, 6844002), (3993, 5267122), (4829, 4355274), (5082, 4138453), (5142, 4090163), (5999, 3505854), (6146, 3422001), (7986, 2633561), (9219, 2281334), (9317, 2257338), (9427, 2230998), (9658, 2177637), (11998, 1752927), (14487, 1451758), (17997, 1168618), (18438, 1140667), (18634, 1128669), (18854, 1115499), (27951, 752446), (28281, 743666), (28974, 725879), (33803, 622182), (35994, 584309), (53119, 395934), (55902, 376223), (56562, 371833), (65989, 318714), (67606, 311091), (101409, 207394), (103697, 202818), (106238, 197967), (131978, 159357)]