21914750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 48275136

約数和(自身を除く): 26360386

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 613, 650, 715, 1226, 1375, 1430, 1625, 2750, 3065, 3250, 3575, 6130, 6743, 7150, 7969, 13486, 15325, 15938, 17875, 30650, 33715, 35750, 39845, 67430, 76625, 79690, 87659, 153250, 168575, 175318, 199225, 337150, 398450, 438295, 842875, 876590, 996125, 1685750, 1992250, 2191475, 4382950, 10957375, 21914750]

約数ペア:

[(1, 21914750), (2, 10957375), (5, 4382950), (10, 2191475), (11, 1992250), (13, 1685750), (22, 996125), (25, 876590), (26, 842875), (50, 438295), (55, 398450), (65, 337150), (110, 199225), (125, 175318), (130, 168575), (143, 153250), (250, 87659), (275, 79690), (286, 76625), (325, 67430), (550, 39845), (613, 35750), (650, 33715), (715, 30650), (1226, 17875), (1375, 15938), (1430, 15325), (1625, 13486), (2750, 7969), (3065, 7150), (3250, 6743), (3575, 6130)]