21135366

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:826

約数の個数: 72

約数和(自身を含む): 55059264

約数和(自身を除く): 33923898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 773, 882, 1302, 1519, 1546, 1953, 2319, 3038, 3906, 4557, 4638, 5411, 6957, 9114, 10822, 13671, 13914, 16233, 23963, 27342, 32466, 37877, 47926, 48699, 71889, 75754, 97398, 113631, 143778, 167741, 215667, 227262, 335482, 340893, 431334, 503223, 681786, 1006446, 1174187, 1509669, 2348374, 3019338, 3522561, 7045122, 10567683, 21135366]

約数ペア:

[(1, 21135366), (2, 10567683), (3, 7045122), (6, 3522561), (7, 3019338), (9, 2348374), (14, 1509669), (18, 1174187), (21, 1006446), (31, 681786), (42, 503223), (49, 431334), (62, 340893), (63, 335482), (93, 227262), (98, 215667), (126, 167741), (147, 143778), (186, 113631), (217, 97398), (279, 75754), (294, 71889), (434, 48699), (441, 47926), (558, 37877), (651, 32466), (773, 27342), (882, 23963), (1302, 16233), (1519, 13914), (1546, 13671), (1953, 10822), (2319, 9114), (3038, 6957), (3906, 5411), (4557, 4638)]