21061572

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 62114976

約数和(自身を除く): 41053404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 43, 49, 51, 68, 84, 86, 98, 102, 119, 129, 147, 172, 196, 204, 238, 258, 294, 301, 343, 357, 476, 516, 588, 602, 686, 714, 731, 833, 903, 1029, 1204, 1372, 1428, 1462, 1666, 1806, 2058, 2107, 2193, 2401, 2499, 2924, 3332, 3612, 4116, 4214, 4386, 4802, 4998, 5117, 5831, 6321, 7203, 8428, 8772, 9604, 9996, 10234, 11662, 12642, 14406, 14749, 15351, 17493, 20468, 23324, 25284, 28812, 29498, 30702, 34986, 35819, 40817, 44247, 58996, 61404, 69972, 71638, 81634, 88494, 103243, 107457, 122451, 143276, 163268, 176988, 206486, 214914, 244902, 250733, 309729, 412972, 429828, 489804, 501466, 619458, 752199, 1002932, 1238916, 1504398, 1755131, 3008796, 3510262, 5265393, 7020524, 10530786, 21061572]

約数ペア:

[(1, 21061572), (2, 10530786), (3, 7020524), (4, 5265393), (6, 3510262), (7, 3008796), (12, 1755131), (14, 1504398), (17, 1238916), (21, 1002932), (28, 752199), (34, 619458), (42, 501466), (43, 489804), (49, 429828), (51, 412972), (68, 309729), (84, 250733), (86, 244902), (98, 214914), (102, 206486), (119, 176988), (129, 163268), (147, 143276), (172, 122451), (196, 107457), (204, 103243), (238, 88494), (258, 81634), (294, 71638), (301, 69972), (343, 61404), (357, 58996), (476, 44247), (516, 40817), (588, 35819), (602, 34986), (686, 30702), (714, 29498), (731, 28812), (833, 25284), (903, 23324), (1029, 20468), (1204, 17493), (1372, 15351), (1428, 14749), (1462, 14406), (1666, 12642), (1806, 11662), (2058, 10234), (2107, 9996), (2193, 9604), (2401, 8772), (2499, 8428), (2924, 7203), (3332, 6321), (3612, 5831), (4116, 5117), (4214, 4998), (4386, 4802)]