21312736900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{32083}}^1$

素因数の和:32190

約数の個数: 144

約数和(自身を含む): 57702945664

約数和(自身を除く): 36390208764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 73, 91, 100, 130, 140, 146, 175, 182, 260, 292, 325, 350, 364, 365, 455, 511, 650, 700, 730, 910, 949, 1022, 1300, 1460, 1820, 1825, 1898, 2044, 2275, 2555, 3650, 3796, 4550, 4745, 5110, 6643, 7300, 9100, 9490, 10220, 12775, 13286, 18980, 23725, 25550, 26572, 32083, 33215, 47450, 51100, 64166, 66430, 94900, 128332, 132860, 160415, 166075, 224581, 320830, 332150, 417079, 449162, 641660, 664300, 802075, 834158, 898324, 1122905, 1604150, 1668316, 2085395, 2245810, 2342059, 2919553, 3208300, 4170790, 4491620, 4684118, 5614525, 5839106, 8341580, 9368236, 10426975, 11229050, 11678212, 11710295, 14597765, 16394413, 20853950, 22458100, 23420590, 29195530, 30446767, 32788826, 41707900, 46841180, 58391060, 58551475, 60893534, 65577652, 72988825, 81972065, 117102950, 121787068, 145977650, 152233835, 163944130, 213127369, 234205900, 291955300, 304467670, 327888260, 409860325, 426254738, 608935340, 761169175, 819720650, 852509476, 1065636845, 1522338350, 1639441300, 2131273690, 3044676700, 4262547380, 5328184225, 10656368450, 21312736900]

約数ペア:

[(1, 21312736900), (2, 10656368450), (4, 5328184225), (5, 4262547380), (7, 3044676700), (10, 2131273690), (13, 1639441300), (14, 1522338350), (20, 1065636845), (25, 852509476), (26, 819720650), (28, 761169175), (35, 608935340), (50, 426254738), (52, 409860325), (65, 327888260), (70, 304467670), (73, 291955300), (91, 234205900), (100, 213127369), (130, 163944130), (140, 152233835), (146, 145977650), (175, 121787068), (182, 117102950), (260, 81972065), (292, 72988825), (325, 65577652), (350, 60893534), (364, 58551475), (365, 58391060), (455, 46841180), (511, 41707900), (650, 32788826), (700, 30446767), (730, 29195530), (910, 23420590), (949, 22458100), (1022, 20853950), (1300, 16394413), (1460, 14597765), (1820, 11710295), (1825, 11678212), (1898, 11229050), (2044, 10426975), (2275, 9368236), (2555, 8341580), (3650, 5839106), (3796, 5614525), (4550, 4684118), (4745, 4491620), (5110, 4170790), (6643, 3208300), (7300, 2919553), (9100, 2342059), (9490, 2245810), (10220, 2085395), (12775, 1668316), (13286, 1604150), (18980, 1122905), (23725, 898324), (25550, 834158), (26572, 802075), (32083, 664300), (33215, 641660), (47450, 449162), (51100, 417079), (64166, 332150), (66430, 320830), (94900, 224581), (128332, 166075), (132860, 160415)]