21571164

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 39715236

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 93, 102, 108, 124, 153, 186, 204, 279, 306, 372, 379, 459, 527, 558, 612, 758, 837, 918, 1054, 1116, 1137, 1516, 1581, 1674, 1836, 2108, 2274, 3162, 3348, 3411, 4548, 4743, 6324, 6443, 6822, 9486, 10233, 11749, 12886, 13644, 14229, 18972, 19329, 20466, 23498, 25772, 28458, 35247, 38658, 40932, 46996, 56916, 57987, 70494, 77316, 105741, 115974, 140988, 173961, 199733, 211482, 231948, 317223, 347922, 399466, 422964, 599199, 634446, 695844, 798932, 1198398, 1268892, 1797597, 2396796, 3595194, 5392791, 7190388, 10785582, 21571164]

約数ペア:

[(1, 21571164), (2, 10785582), (3, 7190388), (4, 5392791), (6, 3595194), (9, 2396796), (12, 1797597), (17, 1268892), (18, 1198398), (27, 798932), (31, 695844), (34, 634446), (36, 599199), (51, 422964), (54, 399466), (62, 347922), (68, 317223), (93, 231948), (102, 211482), (108, 199733), (124, 173961), (153, 140988), (186, 115974), (204, 105741), (279, 77316), (306, 70494), (372, 57987), (379, 56916), (459, 46996), (527, 40932), (558, 38658), (612, 35247), (758, 28458), (837, 25772), (918, 23498), (1054, 20466), (1116, 19329), (1137, 18972), (1516, 14229), (1581, 13644), (1674, 12886), (1836, 11749), (2108, 10233), (2274, 9486), (3162, 6822), (3348, 6443), (3411, 6324), (4548, 4743)]