21007156680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{19051}}^1$

素因数の和:20092

約数の個数: 128

約数和(自身を含む): 70096118400

約数和(自身を除く): 49088961720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1021, 1080, 2042, 3063, 4084, 5105, 6126, 8168, 9189, 10210, 12252, 15315, 18378, 19051, 20420, 24504, 27567, 30630, 36756, 38102, 40840, 45945, 55134, 57153, 61260, 73512, 76204, 91890, 95255, 110268, 114306, 122520, 137835, 152408, 171459, 183780, 190510, 220536, 228612, 275670, 285765, 342918, 367560, 381020, 457224, 514377, 551340, 571530, 685836, 762040, 857295, 1028754, 1102680, 1143060, 1371672, 1714590, 2057508, 2286120, 2571885, 3429180, 4115016, 5143770, 6858360, 10287540, 19451071, 20575080, 38902142, 58353213, 77804284, 97255355, 116706426, 155608568, 175059639, 194510710, 233412852, 291766065, 350119278, 389021420, 466825704, 525178917, 583532130, 700238556, 778042840, 875298195, 1050357834, 1167064260, 1400477112, 1750596390, 2100715668, 2334128520, 2625894585, 3501192780, 4201431336, 5251789170, 7002385560, 10503578340, 21007156680]

約数ペア:

[(1, 21007156680), (2, 10503578340), (3, 7002385560), (4, 5251789170), (5, 4201431336), (6, 3501192780), (8, 2625894585), (9, 2334128520), (10, 2100715668), (12, 1750596390), (15, 1400477112), (18, 1167064260), (20, 1050357834), (24, 875298195), (27, 778042840), (30, 700238556), (36, 583532130), (40, 525178917), (45, 466825704), (54, 389021420), (60, 350119278), (72, 291766065), (90, 233412852), (108, 194510710), (120, 175059639), (135, 155608568), (180, 116706426), (216, 97255355), (270, 77804284), (360, 58353213), (540, 38902142), (1021, 20575080), (1080, 19451071), (2042, 10287540), (3063, 6858360), (4084, 5143770), (5105, 4115016), (6126, 3429180), (8168, 2571885), (9189, 2286120), (10210, 2057508), (12252, 1714590), (15315, 1371672), (18378, 1143060), (19051, 1102680), (20420, 1028754), (24504, 857295), (27567, 762040), (30630, 685836), (36756, 571530), (38102, 551340), (40840, 514377), (45945, 457224), (55134, 381020), (57153, 367560), (61260, 342918), (73512, 285765), (76204, 275670), (91890, 228612), (95255, 220536), (110268, 190510), (114306, 183780), (122520, 171459), (137835, 152408)]