21541962

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 27487158

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 59, 62, 78, 93, 118, 151, 177, 186, 302, 354, 403, 453, 767, 806, 906, 1209, 1534, 1829, 1963, 2301, 2418, 3658, 3926, 4602, 4681, 5487, 5889, 8909, 9362, 10974, 11778, 14043, 17818, 23777, 26727, 28086, 47554, 53454, 60853, 71331, 115817, 121706, 142662, 182559, 231634, 276179, 347451, 365118, 552358, 694902, 828537, 1657074, 3590327, 7180654, 10770981, 21541962]

約数ペア:

[(1, 21541962), (2, 10770981), (3, 7180654), (6, 3590327), (13, 1657074), (26, 828537), (31, 694902), (39, 552358), (59, 365118), (62, 347451), (78, 276179), (93, 231634), (118, 182559), (151, 142662), (177, 121706), (186, 115817), (302, 71331), (354, 60853), (403, 53454), (453, 47554), (767, 28086), (806, 26727), (906, 23777), (1209, 17818), (1534, 14043), (1829, 11778), (1963, 10974), (2301, 9362), (2418, 8909), (3658, 5889), (3926, 5487), (4602, 4681)]