21306707568

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2425627}}^1$

素因数の和:2425702

約数の個数: 60

約数和(自身を含む): 60606741208

約数和(自身を除く): 39300033640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2928, 4392, 8784, 2425627, 4851254, 7276881, 9702508, 14553762, 19405016, 21830643, 29107524, 38810032, 43661286, 58215048, 87322572, 116430096, 147963247, 174645144, 295926494, 349290288, 443889741, 591852988, 887779482, 1183705976, 1331669223, 1775558964, 2367411952, 2663338446, 3551117928, 5326676892, 7102235856, 10653353784, 21306707568]

約数ペア:

[(1, 21306707568), (2, 10653353784), (3, 7102235856), (4, 5326676892), (6, 3551117928), (8, 2663338446), (9, 2367411952), (12, 1775558964), (16, 1331669223), (18, 1183705976), (24, 887779482), (36, 591852988), (48, 443889741), (61, 349290288), (72, 295926494), (122, 174645144), (144, 147963247), (183, 116430096), (244, 87322572), (366, 58215048), (488, 43661286), (549, 38810032), (732, 29107524), (976, 21830643), (1098, 19405016), (1464, 14553762), (2196, 9702508), (2928, 7276881), (4392, 4851254), (8784, 2425627)]