21144798

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 47258640

約数和(自身を除く): 26113842

約数列:

[1, 2, 3, 6, 9, 18, 67, 89, 134, 178, 197, 201, 267, 394, 402, 534, 591, 603, 801, 1182, 1206, 1602, 1773, 3546, 5963, 11926, 13199, 17533, 17889, 26398, 35066, 35778, 39597, 52599, 53667, 79194, 105198, 107334, 118791, 157797, 237582, 315594, 1174711, 2349422, 3524133, 7048266, 10572399, 21144798]

約数ペア:

[(1, 21144798), (2, 10572399), (3, 7048266), (6, 3524133), (9, 2349422), (18, 1174711), (67, 315594), (89, 237582), (134, 157797), (178, 118791), (197, 107334), (201, 105198), (267, 79194), (394, 53667), (402, 52599), (534, 39597), (591, 35778), (603, 35066), (801, 26398), (1182, 17889), (1206, 17533), (1602, 13199), (1773, 11926), (3546, 5963)]