42040218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 98444160

約数和(自身を除く): 56403942

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 89, 102, 178, 187, 267, 374, 421, 534, 561, 842, 979, 1122, 1263, 1513, 1958, 2526, 2937, 3026, 4539, 4631, 5874, 7157, 9078, 9262, 13893, 14314, 16643, 21471, 27786, 33286, 37469, 42942, 49929, 74938, 78727, 99858, 112407, 157454, 224814, 236181, 412159, 472362, 636973, 824318, 1236477, 1273946, 1910919, 2472954, 3821838, 7006703, 14013406, 21020109, 42040218]

約数ペア:

[(1, 42040218), (2, 21020109), (3, 14013406), (6, 7006703), (11, 3821838), (17, 2472954), (22, 1910919), (33, 1273946), (34, 1236477), (51, 824318), (66, 636973), (89, 472362), (102, 412159), (178, 236181), (187, 224814), (267, 157454), (374, 112407), (421, 99858), (534, 78727), (561, 74938), (842, 49929), (979, 42942), (1122, 37469), (1263, 33286), (1513, 27786), (1958, 21471), (2526, 16643), (2937, 14314), (3026, 13893), (4539, 9262), (4631, 9078), (5874, 7157)]