21109608

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1231

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43755192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1187, 1368, 1482, 1976, 2223, 2374, 2964, 3561, 4446, 4748, 5928, 7122, 8892, 9496, 10683, 14244, 15431, 17784, 21366, 22553, 28488, 30862, 42732, 45106, 46293, 61724, 67659, 85464, 90212, 92586, 123448, 135318, 138879, 180424, 185172, 202977, 270636, 277758, 293189, 370344, 405954, 541272, 555516, 586378, 811908, 879567, 1111032, 1172756, 1623816, 1759134, 2345512, 2638701, 3518268, 5277402, 7036536, 10554804, 21109608]

約数ペア:

[(1, 21109608), (2, 10554804), (3, 7036536), (4, 5277402), (6, 3518268), (8, 2638701), (9, 2345512), (12, 1759134), (13, 1623816), (18, 1172756), (19, 1111032), (24, 879567), (26, 811908), (36, 586378), (38, 555516), (39, 541272), (52, 405954), (57, 370344), (72, 293189), (76, 277758), (78, 270636), (104, 202977), (114, 185172), (117, 180424), (152, 138879), (156, 135318), (171, 123448), (228, 92586), (234, 90212), (247, 85464), (312, 67659), (342, 61724), (456, 46293), (468, 45106), (494, 42732), (684, 30862), (741, 28488), (936, 22553), (988, 21366), (1187, 17784), (1368, 15431), (1482, 14244), (1976, 10683), (2223, 9496), (2374, 8892), (2964, 7122), (3561, 5928), (4446, 4748)]