20211761274

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1\times {\mathrm{617}}^1$

素因数の和:1411

約数の個数: 64

約数和(自身を含む): 41443218432

約数和(自身を除く): 21231457158

約数列:

[1, 2, 3, 6, 71, 131, 142, 213, 262, 393, 426, 587, 617, 786, 1174, 1234, 1761, 1851, 3522, 3702, 9301, 18602, 27903, 41677, 43807, 55806, 76897, 80827, 83354, 87614, 125031, 131421, 153794, 161654, 230691, 242481, 250062, 262842, 362179, 461382, 484962, 724358, 1086537, 2173074, 5459687, 5738717, 10919374, 11477434, 16379061, 17216151, 25714709, 32758122, 34432302, 47445449, 51429418, 77144127, 94890898, 142336347, 154288254, 284672694, 3368626879, 6737253758, 10105880637, 20211761274]

約数ペア:

[(1, 20211761274), (2, 10105880637), (3, 6737253758), (6, 3368626879), (71, 284672694), (131, 154288254), (142, 142336347), (213, 94890898), (262, 77144127), (393, 51429418), (426, 47445449), (587, 34432302), (617, 32758122), (786, 25714709), (1174, 17216151), (1234, 16379061), (1761, 11477434), (1851, 10919374), (3522, 5738717), (3702, 5459687), (9301, 2173074), (18602, 1086537), (27903, 724358), (41677, 484962), (43807, 461382), (55806, 362179), (76897, 262842), (80827, 250062), (83354, 242481), (87614, 230691), (125031, 161654), (131421, 153794)]