21857550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1058

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 41888370

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 1019, 1430, 1650, 1950, 2038, 2145, 3057, 3575, 4290, 5095, 6114, 7150, 10190, 10725, 11209, 13247, 15285, 21450, 22418, 25475, 26494, 30570, 33627, 39741, 50950, 56045, 66235, 67254, 76425, 79482, 112090, 132470, 145717, 152850, 168135, 198705, 280225, 291434, 331175, 336270, 397410, 437151, 560450, 662350, 728585, 840675, 874302, 993525, 1457170, 1681350, 1987050, 2185755, 3642925, 4371510, 7285850, 10928775, 21857550]

約数ペア:

[(1, 21857550), (2, 10928775), (3, 7285850), (5, 4371510), (6, 3642925), (10, 2185755), (11, 1987050), (13, 1681350), (15, 1457170), (22, 993525), (25, 874302), (26, 840675), (30, 728585), (33, 662350), (39, 560450), (50, 437151), (55, 397410), (65, 336270), (66, 331175), (75, 291434), (78, 280225), (110, 198705), (130, 168135), (143, 152850), (150, 145717), (165, 132470), (195, 112090), (275, 79482), (286, 76425), (325, 67254), (330, 66235), (390, 56045), (429, 50950), (550, 39741), (650, 33627), (715, 30570), (825, 26494), (858, 25475), (975, 22418), (1019, 21450), (1430, 15285), (1650, 13247), (1950, 11209), (2038, 10725), (2145, 10190), (3057, 7150), (3575, 6114), (4290, 5095)]