21533934

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 48646656

約数和(自身を除く): 27112722

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 67, 69, 102, 134, 137, 138, 201, 274, 391, 402, 411, 782, 822, 1139, 1173, 1541, 2278, 2329, 2346, 3082, 3151, 3417, 4623, 4658, 6302, 6834, 6987, 9179, 9246, 9453, 13974, 18358, 18906, 26197, 27537, 52394, 53567, 55074, 78591, 107134, 156043, 157182, 160701, 211117, 312086, 321402, 422234, 468129, 633351, 936258, 1266702, 3588989, 7177978, 10766967, 21533934]

約数ペア:

[(1, 21533934), (2, 10766967), (3, 7177978), (6, 3588989), (17, 1266702), (23, 936258), (34, 633351), (46, 468129), (51, 422234), (67, 321402), (69, 312086), (102, 211117), (134, 160701), (137, 157182), (138, 156043), (201, 107134), (274, 78591), (391, 55074), (402, 53567), (411, 52394), (782, 27537), (822, 26197), (1139, 18906), (1173, 18358), (1541, 13974), (2278, 9453), (2329, 9246), (2346, 9179), (3082, 6987), (3151, 6834), (3417, 6302), (4623, 4658)]