21262716

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 60137280

約数和(自身を除く): 38874564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 37, 51, 54, 68, 74, 102, 108, 111, 148, 153, 204, 222, 306, 313, 333, 444, 459, 612, 626, 629, 666, 918, 939, 999, 1252, 1258, 1332, 1836, 1878, 1887, 1998, 2516, 2817, 3756, 3774, 3996, 5321, 5634, 5661, 7548, 8451, 10642, 11268, 11322, 11581, 15963, 16902, 16983, 21284, 22644, 23162, 31926, 33804, 33966, 34743, 46324, 47889, 63852, 67932, 69486, 95778, 104229, 138972, 143667, 191556, 196877, 208458, 287334, 312687, 393754, 416916, 574668, 590631, 625374, 787508, 1181262, 1250748, 1771893, 2362524, 3543786, 5315679, 7087572, 10631358, 21262716]

約数ペア:

[(1, 21262716), (2, 10631358), (3, 7087572), (4, 5315679), (6, 3543786), (9, 2362524), (12, 1771893), (17, 1250748), (18, 1181262), (27, 787508), (34, 625374), (36, 590631), (37, 574668), (51, 416916), (54, 393754), (68, 312687), (74, 287334), (102, 208458), (108, 196877), (111, 191556), (148, 143667), (153, 138972), (204, 104229), (222, 95778), (306, 69486), (313, 67932), (333, 63852), (444, 47889), (459, 46324), (612, 34743), (626, 33966), (629, 33804), (666, 31926), (918, 23162), (939, 22644), (999, 21284), (1252, 16983), (1258, 16902), (1332, 15963), (1836, 11581), (1878, 11322), (1887, 11268), (1998, 10642), (2516, 8451), (2817, 7548), (3756, 5661), (3774, 5634), (3996, 5321)]