21721750600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{897593}}^1$

素因数の和:897631

約数の個数: 72

約数和(自身を含む): 55511700930

約数和(自身を除く): 33789950330

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 2200, 2420, 3025, 4840, 6050, 12100, 24200, 897593, 1795186, 3590372, 4487965, 7180744, 8975930, 9873523, 17951860, 19747046, 22439825, 35903720, 39494092, 44879650, 49367615, 78988184, 89759300, 98735230, 108608753, 179518600, 197470460, 217217506, 246838075, 394940920, 434435012, 493676150, 543043765, 868870024, 987352300, 1086087530, 1974704600, 2172175060, 2715218825, 4344350120, 5430437650, 10860875300, 21721750600]

約数ペア:

[(1, 21721750600), (2, 10860875300), (4, 5430437650), (5, 4344350120), (8, 2715218825), (10, 2172175060), (11, 1974704600), (20, 1086087530), (22, 987352300), (25, 868870024), (40, 543043765), (44, 493676150), (50, 434435012), (55, 394940920), (88, 246838075), (100, 217217506), (110, 197470460), (121, 179518600), (200, 108608753), (220, 98735230), (242, 89759300), (275, 78988184), (440, 49367615), (484, 44879650), (550, 39494092), (605, 35903720), (968, 22439825), (1100, 19747046), (1210, 17951860), (2200, 9873523), (2420, 8975930), (3025, 7180744), (4840, 4487965), (6050, 3590372), (12100, 1795186), (24200, 897593)]