21374820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 48056220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1721, 2070, 2484, 3105, 3442, 4140, 5163, 6210, 6884, 8605, 10326, 12420, 15489, 17210, 20652, 25815, 30978, 34420, 39583, 46467, 51630, 61956, 77445, 79166, 92934, 103260, 118749, 154890, 158332, 185868, 197915, 232335, 237498, 309780, 356247, 395830, 464670, 474996, 593745, 712494, 791660, 929340, 1068741, 1187490, 1424988, 1781235, 2137482, 2374980, 3562470, 4274964, 5343705, 7124940, 10687410, 21374820]

約数ペア:

[(1, 21374820), (2, 10687410), (3, 7124940), (4, 5343705), (5, 4274964), (6, 3562470), (9, 2374980), (10, 2137482), (12, 1781235), (15, 1424988), (18, 1187490), (20, 1068741), (23, 929340), (27, 791660), (30, 712494), (36, 593745), (45, 474996), (46, 464670), (54, 395830), (60, 356247), (69, 309780), (90, 237498), (92, 232335), (108, 197915), (115, 185868), (135, 158332), (138, 154890), (180, 118749), (207, 103260), (230, 92934), (270, 79166), (276, 77445), (345, 61956), (414, 51630), (460, 46467), (540, 39583), (621, 34420), (690, 30978), (828, 25815), (1035, 20652), (1242, 17210), (1380, 15489), (1721, 12420), (2070, 10326), (2484, 8605), (3105, 6884), (3442, 6210), (4140, 5163)]