21502668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 56306880

約数和(自身を除く): 34804212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 121, 132, 177, 236, 242, 251, 354, 363, 484, 502, 649, 708, 726, 753, 1004, 1298, 1452, 1506, 1947, 2596, 2761, 3012, 3894, 5522, 7139, 7788, 8283, 11044, 14278, 14809, 16566, 21417, 28556, 29618, 30371, 33132, 42834, 44427, 59236, 60742, 85668, 88854, 91113, 121484, 162899, 177708, 182226, 325798, 364452, 488697, 651596, 977394, 1791889, 1954788, 3583778, 5375667, 7167556, 10751334, 21502668]

約数ペア:

[(1, 21502668), (2, 10751334), (3, 7167556), (4, 5375667), (6, 3583778), (11, 1954788), (12, 1791889), (22, 977394), (33, 651596), (44, 488697), (59, 364452), (66, 325798), (118, 182226), (121, 177708), (132, 162899), (177, 121484), (236, 91113), (242, 88854), (251, 85668), (354, 60742), (363, 59236), (484, 44427), (502, 42834), (649, 33132), (708, 30371), (726, 29618), (753, 28556), (1004, 21417), (1298, 16566), (1452, 14809), (1506, 14278), (1947, 11044), (2596, 8283), (2761, 7788), (3012, 7139), (3894, 5522)]