21413760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 50557440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 587, 608, 640, 760, 912, 960, 1140, 1174, 1216, 1520, 1761, 1824, 1920, 2280, 2348, 2432, 2935, 3040, 3522, 3648, 4560, 4696, 5870, 6080, 7044, 7296, 8805, 9120, 9392, 11153, 11740, 12160, 14088, 17610, 18240, 18784, 22306, 23480, 28176, 33459, 35220, 36480, 37568, 44612, 46960, 55765, 56352, 66918, 70440, 75136, 89224, 93920, 111530, 112704, 133836, 140880, 167295, 178448, 187840, 223060, 225408, 267672, 281760, 334590, 356896, 375680, 446120, 535344, 563520, 669180, 713792, 892240, 1070688, 1127040, 1338360, 1427584, 1784480, 2141376, 2676720, 3568960, 4282752, 5353440, 7137920, 10706880, 21413760]

約数ペア:

[(1, 21413760), (2, 10706880), (3, 7137920), (4, 5353440), (5, 4282752), (6, 3568960), (8, 2676720), (10, 2141376), (12, 1784480), (15, 1427584), (16, 1338360), (19, 1127040), (20, 1070688), (24, 892240), (30, 713792), (32, 669180), (38, 563520), (40, 535344), (48, 446120), (57, 375680), (60, 356896), (64, 334590), (76, 281760), (80, 267672), (95, 225408), (96, 223060), (114, 187840), (120, 178448), (128, 167295), (152, 140880), (160, 133836), (190, 112704), (192, 111530), (228, 93920), (240, 89224), (285, 75136), (304, 70440), (320, 66918), (380, 56352), (384, 55765), (456, 46960), (480, 44612), (570, 37568), (587, 36480), (608, 35220), (640, 33459), (760, 28176), (912, 23480), (960, 22306), (1140, 18784), (1174, 18240), (1216, 17610), (1520, 14088), (1761, 12160), (1824, 11740), (1920, 11153), (2280, 9392), (2348, 9120), (2432, 8805), (2935, 7296), (3040, 7044), (3522, 6080), (3648, 5870), (4560, 4696)]