21692340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 72206400

約数和(自身を除く): 50514060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 139, 153, 170, 180, 204, 255, 270, 278, 289, 306, 340, 417, 459, 510, 540, 556, 578, 612, 695, 765, 834, 867, 918, 1020, 1156, 1251, 1390, 1445, 1530, 1668, 1734, 1836, 2085, 2295, 2363, 2502, 2601, 2780, 2890, 3060, 3468, 3753, 4170, 4335, 4590, 4726, 5004, 5202, 5780, 6255, 7089, 7506, 7803, 8340, 8670, 9180, 9452, 10404, 11815, 12510, 13005, 14178, 15012, 15606, 17340, 18765, 21267, 23630, 25020, 26010, 28356, 31212, 35445, 37530, 39015, 40171, 42534, 47260, 52020, 63801, 70890, 75060, 78030, 80342, 85068, 106335, 120513, 127602, 141780, 156060, 160684, 200855, 212670, 241026, 255204, 319005, 361539, 401710, 425340, 482052, 602565, 638010, 723078, 803420, 1084617, 1205130, 1276020, 1446156, 1807695, 2169234, 2410260, 3615390, 4338468, 5423085, 7230780, 10846170, 21692340]

約数ペア:

[(1, 21692340), (2, 10846170), (3, 7230780), (4, 5423085), (5, 4338468), (6, 3615390), (9, 2410260), (10, 2169234), (12, 1807695), (15, 1446156), (17, 1276020), (18, 1205130), (20, 1084617), (27, 803420), (30, 723078), (34, 638010), (36, 602565), (45, 482052), (51, 425340), (54, 401710), (60, 361539), (68, 319005), (85, 255204), (90, 241026), (102, 212670), (108, 200855), (135, 160684), (139, 156060), (153, 141780), (170, 127602), (180, 120513), (204, 106335), (255, 85068), (270, 80342), (278, 78030), (289, 75060), (306, 70890), (340, 63801), (417, 52020), (459, 47260), (510, 42534), (540, 40171), (556, 39015), (578, 37530), (612, 35445), (695, 31212), (765, 28356), (834, 26010), (867, 25020), (918, 23630), (1020, 21267), (1156, 18765), (1251, 17340), (1390, 15606), (1445, 15012), (1530, 14178), (1668, 13005), (1734, 12510), (1836, 11815), (2085, 10404), (2295, 9452), (2363, 9180), (2502, 8670), (2601, 8340), (2780, 7803), (2890, 7506), (3060, 7089), (3468, 6255), (3753, 5780), (4170, 5202), (4335, 5004), (4590, 4726)]