21213120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1202

約数の個数: 112

約数和(自身を含む): 70957440

約数和(自身を除く): 49744320

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, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1163, 1216, 1520, 1824, 2280, 2326, 3040, 3489, 3648, 4560, 4652, 5815, 6080, 6978, 9120, 9304, 11630, 13956, 17445, 18240, 18608, 22097, 23260, 27912, 34890, 37216, 44194, 46520, 55824, 66291, 69780, 74432, 88388, 93040, 110485, 111648, 132582, 139560, 176776, 186080, 220970, 223296, 265164, 279120, 331455, 353552, 372160, 441940, 530328, 558240, 662910, 707104, 883880, 1060656, 1116480, 1325820, 1414208, 1767760, 2121312, 2651640, 3535520, 4242624, 5303280, 7071040, 10606560, 21213120]

約数ペア:

[(1, 21213120), (2, 10606560), (3, 7071040), (4, 5303280), (5, 4242624), (6, 3535520), (8, 2651640), (10, 2121312), (12, 1767760), (15, 1414208), (16, 1325820), (19, 1116480), (20, 1060656), (24, 883880), (30, 707104), (32, 662910), (38, 558240), (40, 530328), (48, 441940), (57, 372160), (60, 353552), (64, 331455), (76, 279120), (80, 265164), (95, 223296), (96, 220970), (114, 186080), (120, 176776), (152, 139560), (160, 132582), (190, 111648), (192, 110485), (228, 93040), (240, 88388), (285, 74432), (304, 69780), (320, 66291), (380, 55824), (456, 46520), (480, 44194), (570, 37216), (608, 34890), (760, 27912), (912, 23260), (960, 22097), (1140, 18608), (1163, 18240), (1216, 17445), (1520, 13956), (1824, 11630), (2280, 9304), (2326, 9120), (3040, 6978), (3489, 6080), (3648, 5815), (4560, 4652)]