21209364

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{541}}^1$

素因数の和:579

約数の個数: 90

約数和(自身を含む): 61056842

約数和(自身を除く): 39847478

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 484, 541, 594, 726, 891, 1082, 1089, 1188, 1452, 1623, 1782, 2164, 2178, 3246, 3267, 3564, 4356, 4869, 5951, 6492, 6534, 9738, 9801, 11902, 13068, 14607, 17853, 19476, 19602, 23804, 29214, 35706, 39204, 43821, 53559, 58428, 65461, 71412, 87642, 107118, 130922, 160677, 175284, 196383, 214236, 261844, 321354, 392766, 482031, 589149, 642708, 785532, 964062, 1178298, 1767447, 1928124, 2356596, 3534894, 5302341, 7069788, 10604682, 21209364]

約数ペア:

[(1, 21209364), (2, 10604682), (3, 7069788), (4, 5302341), (6, 3534894), (9, 2356596), (11, 1928124), (12, 1767447), (18, 1178298), (22, 964062), (27, 785532), (33, 642708), (36, 589149), (44, 482031), (54, 392766), (66, 321354), (81, 261844), (99, 214236), (108, 196383), (121, 175284), (132, 160677), (162, 130922), (198, 107118), (242, 87642), (297, 71412), (324, 65461), (363, 58428), (396, 53559), (484, 43821), (541, 39204), (594, 35706), (726, 29214), (891, 23804), (1082, 19602), (1089, 19476), (1188, 17853), (1452, 14607), (1623, 13068), (1782, 11902), (2164, 9801), (2178, 9738), (3246, 6534), (3267, 6492), (3564, 5951), (4356, 4869)]