21919482

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 51481248

約数和(自身を除く): 29561766

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 283, 331, 566, 662, 849, 993, 1698, 1986, 2547, 2979, 3679, 4303, 5094, 5958, 7358, 8606, 11037, 12909, 22074, 25818, 33111, 38727, 66222, 77454, 93673, 187346, 281019, 562038, 843057, 1217749, 1686114, 2435498, 3653247, 7306494, 10959741, 21919482]

約数ペア:

[(1, 21919482), (2, 10959741), (3, 7306494), (6, 3653247), (9, 2435498), (13, 1686114), (18, 1217749), (26, 843057), (39, 562038), (78, 281019), (117, 187346), (234, 93673), (283, 77454), (331, 66222), (566, 38727), (662, 33111), (849, 25818), (993, 22074), (1698, 12909), (1986, 11037), (2547, 8606), (2979, 7358), (3679, 5958), (4303, 5094)]