21896670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 32535330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 89, 118, 139, 177, 178, 267, 278, 295, 354, 417, 445, 534, 590, 695, 834, 885, 890, 1335, 1390, 1770, 2085, 2670, 4170, 5251, 8201, 10502, 12371, 15753, 16402, 24603, 24742, 26255, 31506, 37113, 41005, 49206, 52510, 61855, 74226, 78765, 82010, 123015, 123710, 157530, 185565, 246030, 371130, 729889, 1459778, 2189667, 3649445, 4379334, 7298890, 10948335, 21896670]

約数ペア:

[(1, 21896670), (2, 10948335), (3, 7298890), (5, 4379334), (6, 3649445), (10, 2189667), (15, 1459778), (30, 729889), (59, 371130), (89, 246030), (118, 185565), (139, 157530), (177, 123710), (178, 123015), (267, 82010), (278, 78765), (295, 74226), (354, 61855), (417, 52510), (445, 49206), (534, 41005), (590, 37113), (695, 31506), (834, 26255), (885, 24742), (890, 24603), (1335, 16402), (1390, 15753), (1770, 12371), (2085, 10502), (2670, 8201), (4170, 5251)]