21492216

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1986

約数の個数: 80

約数和(自身を含む): 63771840

約数和(自身を除く): 42279624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1951, 2754, 3672, 3902, 5508, 5853, 7804, 11016, 11706, 15608, 17559, 23412, 33167, 35118, 46824, 52677, 66334, 70236, 99501, 105354, 132668, 140472, 158031, 199002, 210708, 265336, 298503, 316062, 398004, 421416, 597006, 632124, 796008, 895509, 1194012, 1264248, 1791018, 2388024, 2686527, 3582036, 5373054, 7164072, 10746108, 21492216]

約数ペア:

[(1, 21492216), (2, 10746108), (3, 7164072), (4, 5373054), (6, 3582036), (8, 2686527), (9, 2388024), (12, 1791018), (17, 1264248), (18, 1194012), (24, 895509), (27, 796008), (34, 632124), (36, 597006), (51, 421416), (54, 398004), (68, 316062), (72, 298503), (81, 265336), (102, 210708), (108, 199002), (136, 158031), (153, 140472), (162, 132668), (204, 105354), (216, 99501), (306, 70236), (324, 66334), (408, 52677), (459, 46824), (612, 35118), (648, 33167), (918, 23412), (1224, 17559), (1377, 15608), (1836, 11706), (1951, 11016), (2754, 7804), (3672, 5853), (3902, 5508)]