21160650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2879}}^1$

素因数の和:2908

約数の個数: 72

約数和(自身を含む): 61067520

約数和(自身を除く): 39906870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2879, 3675, 5758, 7350, 8637, 14395, 17274, 20153, 28790, 40306, 43185, 60459, 71975, 86370, 100765, 120918, 141071, 143950, 201530, 215925, 282142, 302295, 423213, 431850, 503825, 604590, 705355, 846426, 1007650, 1410710, 1511475, 2116065, 3022950, 3526775, 4232130, 7053550, 10580325, 21160650]

約数ペア:

[(1, 21160650), (2, 10580325), (3, 7053550), (5, 4232130), (6, 3526775), (7, 3022950), (10, 2116065), (14, 1511475), (15, 1410710), (21, 1007650), (25, 846426), (30, 705355), (35, 604590), (42, 503825), (49, 431850), (50, 423213), (70, 302295), (75, 282142), (98, 215925), (105, 201530), (147, 143950), (150, 141071), (175, 120918), (210, 100765), (245, 86370), (294, 71975), (350, 60459), (490, 43185), (525, 40306), (735, 28790), (1050, 20153), (1225, 17274), (1470, 14395), (2450, 8637), (2879, 7350), (3675, 5758)]