21038010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 62705664

約数和(自身を除く): 41667654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 71, 83, 85, 102, 105, 119, 142, 166, 170, 210, 213, 238, 249, 255, 355, 357, 415, 426, 497, 498, 510, 581, 595, 710, 714, 830, 994, 1065, 1162, 1190, 1207, 1245, 1411, 1491, 1743, 1785, 2130, 2414, 2485, 2490, 2822, 2905, 2982, 3486, 3570, 3621, 4233, 4970, 5810, 5893, 6035, 7055, 7242, 7455, 8449, 8466, 8715, 9877, 11786, 12070, 14110, 14910, 16898, 17430, 17679, 18105, 19754, 21165, 25347, 29465, 29631, 35358, 36210, 41251, 42245, 42330, 49385, 50694, 58930, 59262, 82502, 84490, 88395, 98770, 100181, 123753, 126735, 148155, 176790, 200362, 206255, 247506, 253470, 296310, 300543, 412510, 500905, 601086, 618765, 701267, 1001810, 1237530, 1402534, 1502715, 2103801, 3005430, 3506335, 4207602, 7012670, 10519005, 21038010]

約数ペア:

[(1, 21038010), (2, 10519005), (3, 7012670), (5, 4207602), (6, 3506335), (7, 3005430), (10, 2103801), (14, 1502715), (15, 1402534), (17, 1237530), (21, 1001810), (30, 701267), (34, 618765), (35, 601086), (42, 500905), (51, 412510), (70, 300543), (71, 296310), (83, 253470), (85, 247506), (102, 206255), (105, 200362), (119, 176790), (142, 148155), (166, 126735), (170, 123753), (210, 100181), (213, 98770), (238, 88395), (249, 84490), (255, 82502), (355, 59262), (357, 58930), (415, 50694), (426, 49385), (497, 42330), (498, 42245), (510, 41251), (581, 36210), (595, 35358), (710, 29631), (714, 29465), (830, 25347), (994, 21165), (1065, 19754), (1162, 18105), (1190, 17679), (1207, 17430), (1245, 16898), (1411, 14910), (1491, 14110), (1743, 12070), (1785, 11786), (2130, 9877), (2414, 8715), (2485, 8466), (2490, 8449), (2822, 7455), (2905, 7242), (2982, 7055), (3486, 6035), (3570, 5893), (3621, 5810), (4233, 4970)]