21107952

素因数分解:

$2^4\times 3^5\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 62964720

約数和(自身を除く): 41856768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 81, 89, 108, 122, 144, 162, 178, 183, 216, 243, 244, 267, 324, 356, 366, 432, 486, 488, 534, 549, 648, 712, 732, 801, 972, 976, 1068, 1098, 1296, 1424, 1464, 1602, 1647, 1944, 2136, 2196, 2403, 2928, 3204, 3294, 3888, 4272, 4392, 4806, 4941, 5429, 6408, 6588, 7209, 8784, 9612, 9882, 10858, 12816, 13176, 14418, 14823, 16287, 19224, 19764, 21627, 21716, 26352, 28836, 29646, 32574, 38448, 39528, 43254, 43432, 48861, 57672, 59292, 65148, 79056, 86508, 86864, 97722, 115344, 118584, 130296, 146583, 173016, 195444, 237168, 260592, 293166, 346032, 390888, 439749, 586332, 781776, 879498, 1172664, 1319247, 1758996, 2345328, 2638494, 3517992, 5276988, 7035984, 10553976, 21107952]

約数ペア:

[(1, 21107952), (2, 10553976), (3, 7035984), (4, 5276988), (6, 3517992), (8, 2638494), (9, 2345328), (12, 1758996), (16, 1319247), (18, 1172664), (24, 879498), (27, 781776), (36, 586332), (48, 439749), (54, 390888), (61, 346032), (72, 293166), (81, 260592), (89, 237168), (108, 195444), (122, 173016), (144, 146583), (162, 130296), (178, 118584), (183, 115344), (216, 97722), (243, 86864), (244, 86508), (267, 79056), (324, 65148), (356, 59292), (366, 57672), (432, 48861), (486, 43432), (488, 43254), (534, 39528), (549, 38448), (648, 32574), (712, 29646), (732, 28836), (801, 26352), (972, 21716), (976, 21627), (1068, 19764), (1098, 19224), (1296, 16287), (1424, 14823), (1464, 14418), (1602, 13176), (1647, 12816), (1944, 10858), (2136, 9882), (2196, 9612), (2403, 8784), (2928, 7209), (3204, 6588), (3294, 6408), (3888, 5429), (4272, 4941), (4392, 4806)]