21627360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:697

約数の個数: 144

約数和(自身を含む): 77130144

約数和(自身を除く): 55502784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 653, 690, 720, 736, 828, 920, 1035, 1104, 1306, 1380, 1440, 1656, 1840, 1959, 2070, 2208, 2612, 2760, 3265, 3312, 3680, 3918, 4140, 5224, 5520, 5877, 6530, 6624, 7836, 8280, 9795, 10448, 11040, 11754, 13060, 15019, 15672, 16560, 19590, 20896, 23508, 26120, 29385, 30038, 31344, 33120, 39180, 45057, 47016, 52240, 58770, 60076, 62688, 75095, 78360, 90114, 94032, 104480, 117540, 120152, 135171, 150190, 156720, 180228, 188064, 225285, 235080, 240304, 270342, 300380, 313440, 360456, 450570, 470160, 480608, 540684, 600760, 675855, 720912, 901140, 940320, 1081368, 1201520, 1351710, 1441824, 1802280, 2162736, 2403040, 2703420, 3604560, 4325472, 5406840, 7209120, 10813680, 21627360]

約数ペア:

[(1, 21627360), (2, 10813680), (3, 7209120), (4, 5406840), (5, 4325472), (6, 3604560), (8, 2703420), (9, 2403040), (10, 2162736), (12, 1802280), (15, 1441824), (16, 1351710), (18, 1201520), (20, 1081368), (23, 940320), (24, 901140), (30, 720912), (32, 675855), (36, 600760), (40, 540684), (45, 480608), (46, 470160), (48, 450570), (60, 360456), (69, 313440), (72, 300380), (80, 270342), (90, 240304), (92, 235080), (96, 225285), (115, 188064), (120, 180228), (138, 156720), (144, 150190), (160, 135171), (180, 120152), (184, 117540), (207, 104480), (230, 94032), (240, 90114), (276, 78360), (288, 75095), (345, 62688), (360, 60076), (368, 58770), (414, 52240), (460, 47016), (480, 45057), (552, 39180), (653, 33120), (690, 31344), (720, 30038), (736, 29385), (828, 26120), (920, 23508), (1035, 20896), (1104, 19590), (1306, 16560), (1380, 15672), (1440, 15019), (1656, 13060), (1840, 11754), (1959, 11040), (2070, 10448), (2208, 9795), (2612, 8280), (2760, 7836), (3265, 6624), (3312, 6530), (3680, 5877), (3918, 5520), (4140, 5224)]