21221046

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 37275210

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 61, 63, 66, 77, 99, 122, 126, 154, 183, 198, 231, 251, 366, 427, 462, 502, 549, 671, 693, 753, 854, 1098, 1281, 1342, 1386, 1506, 1757, 2013, 2259, 2562, 2761, 3514, 3843, 4026, 4518, 4697, 5271, 5522, 6039, 7686, 8283, 9394, 10542, 12078, 14091, 15311, 15813, 16566, 19327, 24849, 28182, 30622, 31626, 38654, 42273, 45933, 49698, 57981, 84546, 91866, 107177, 115962, 137799, 168421, 173943, 214354, 275598, 321531, 336842, 347886, 505263, 643062, 964593, 1010526, 1178947, 1515789, 1929186, 2357894, 3031578, 3536841, 7073682, 10610523, 21221046]

約数ペア:

[(1, 21221046), (2, 10610523), (3, 7073682), (6, 3536841), (7, 3031578), (9, 2357894), (11, 1929186), (14, 1515789), (18, 1178947), (21, 1010526), (22, 964593), (33, 643062), (42, 505263), (61, 347886), (63, 336842), (66, 321531), (77, 275598), (99, 214354), (122, 173943), (126, 168421), (154, 137799), (183, 115962), (198, 107177), (231, 91866), (251, 84546), (366, 57981), (427, 49698), (462, 45933), (502, 42273), (549, 38654), (671, 31626), (693, 30622), (753, 28182), (854, 24849), (1098, 19327), (1281, 16566), (1342, 15813), (1386, 15311), (1506, 14091), (1757, 12078), (2013, 10542), (2259, 9394), (2562, 8283), (2761, 7686), (3514, 6039), (3843, 5522), (4026, 5271), (4518, 4697)]