21322600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 54684000

約数和(自身を除く): 33361400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 59, 65, 100, 104, 118, 130, 139, 200, 236, 260, 278, 295, 325, 472, 520, 556, 590, 650, 695, 767, 1112, 1180, 1300, 1390, 1475, 1534, 1807, 2360, 2600, 2780, 2950, 3068, 3475, 3614, 3835, 5560, 5900, 6136, 6950, 7228, 7670, 8201, 9035, 11800, 13900, 14456, 15340, 16402, 18070, 19175, 27800, 30680, 32804, 36140, 38350, 41005, 45175, 65608, 72280, 76700, 82010, 90350, 106613, 153400, 164020, 180700, 205025, 213226, 328040, 361400, 410050, 426452, 533065, 820100, 852904, 1066130, 1640200, 2132260, 2665325, 4264520, 5330650, 10661300, 21322600]

約数ペア:

[(1, 21322600), (2, 10661300), (4, 5330650), (5, 4264520), (8, 2665325), (10, 2132260), (13, 1640200), (20, 1066130), (25, 852904), (26, 820100), (40, 533065), (50, 426452), (52, 410050), (59, 361400), (65, 328040), (100, 213226), (104, 205025), (118, 180700), (130, 164020), (139, 153400), (200, 106613), (236, 90350), (260, 82010), (278, 76700), (295, 72280), (325, 65608), (472, 45175), (520, 41005), (556, 38350), (590, 36140), (650, 32804), (695, 30680), (767, 27800), (1112, 19175), (1180, 18070), (1300, 16402), (1390, 15340), (1475, 14456), (1534, 13900), (1807, 11800), (2360, 9035), (2600, 8201), (2780, 7670), (2950, 7228), (3068, 6950), (3475, 6136), (3614, 5900), (3835, 5560)]