21657456

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1020

約数の個数: 100

約数和(自身を含む): 66437712

約数和(自身を除く): 44780256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 272, 306, 324, 408, 432, 459, 612, 648, 816, 918, 983, 1224, 1296, 1377, 1836, 1966, 2448, 2754, 2949, 3672, 3932, 5508, 5898, 7344, 7864, 8847, 11016, 11796, 15728, 16711, 17694, 22032, 23592, 26541, 33422, 35388, 47184, 50133, 53082, 66844, 70776, 79623, 100266, 106164, 133688, 141552, 150399, 159246, 200532, 212328, 267376, 300798, 318492, 401064, 424656, 451197, 601596, 636984, 802128, 902394, 1203192, 1273968, 1353591, 1804788, 2406384, 2707182, 3609576, 5414364, 7219152, 10828728, 21657456]

約数ペア:

[(1, 21657456), (2, 10828728), (3, 7219152), (4, 5414364), (6, 3609576), (8, 2707182), (9, 2406384), (12, 1804788), (16, 1353591), (17, 1273968), (18, 1203192), (24, 902394), (27, 802128), (34, 636984), (36, 601596), (48, 451197), (51, 424656), (54, 401064), (68, 318492), (72, 300798), (81, 267376), (102, 212328), (108, 200532), (136, 159246), (144, 150399), (153, 141552), (162, 133688), (204, 106164), (216, 100266), (272, 79623), (306, 70776), (324, 66844), (408, 53082), (432, 50133), (459, 47184), (612, 35388), (648, 33422), (816, 26541), (918, 23592), (983, 22032), (1224, 17694), (1296, 16711), (1377, 15728), (1836, 11796), (1966, 11016), (2448, 8847), (2754, 7864), (2949, 7344), (3672, 5898), (3932, 5508)]